To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table. Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon. Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

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Answer 1

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Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

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Phosphoric acid, one of the acids used in some cola drinks, is produced by the reaction of phosphorus(V) oxide, an acidic oxide, with water. Phosphorus(V) oxide is prepared by the combustion of phosphorus.(a) Write the empirical formula of phosphorus(V) oxide.(b) What is the molecular formula of phosphorus(V) oxide if the molar mass is about 280.(c) Write balanced equations for the production of phosphorus(V) oxide and phosphoric acid.(d) Determine the mass of phosphorus required to make 1.00 × 104 kg of phosphoric acid, assuming a yield of 98.85%.

Which statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.

(a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a metallic element.

Answer 2

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Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

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Answer 3

Question

Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

Expert Solution & Answer

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Answer 4

Question

Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

Expert Solution & Answer

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Answer 5

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

Answer 6

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

Answer 7

Chapter 21, Problem 67GQ

(a)

Interpretation Introduction

Interpretation: To identify whether the elements are metal, non-metal or metalloid from sodium to argon in the periodic table.

Concept introduction: The third period of periodic table have elements as follows; sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine and argon.

Metals are the elements which can form positive ions by loosing electrons. Non-metals are the elements which can form negative ions by gaining electrons. Metalloids are elements which shows both properties of metals and non-metals.

Answer 8

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

Answer 9

(b)

Interpretation Introduction

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

Answer 10

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

Answer 11

(c)

Interpretation Introduction

Interpretation: To identify the states (solid, liquid and gas) of elements through sodium to argon.

Concept introduction: There are three types of states of matter; solid, liquid and gas. Solids are the substance which have fixed shape and fixed volume. Liquids are the substances which have fixed volume but not fixed shape and gases are the substances which do not have fixed shape and volume.

Answer 12

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Answer 14

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Answer 15

Ch. 21.2 - Prob. 1CYU Ch. 21.2 - Write the formula for each of the following (a)...Ch. 21.2 - Prob. 3CYU Ch. 21.2 - Prob. 4CYU Ch. 21.4 - Prob. 3RC Ch. 21.5 - Prob. 1Q Ch. 21.5 - Prob. 2Q Ch. 21.8 - Prob. 1Q Ch. 21.8 - Prob. 2Q Ch. 21.8 - Prob. 3Q

Solution Summary: The author explains that the third period of periodic table have elements as follows: sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine, and argon.

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

Want to see the full answer?

Chapter 21 Solutions

Solution Summary: The author explains that the third period of periodic table have elements as follows: sodium, magnesium, aluminium, silicon, phosphorous, sulfur, chlorine, and argon.

Interpretation: To identify the colour and appearance of third period elements through sodium to argon. Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.

Want to see the full answer?

Chapter 21 Solutions

Interpretation: To identify the colour and appearance of third period elements through sodium to argon.

Concept introduction: The colour of element is a physical property of elements. Elements shows colour due to excitation of electrons by absorbing energy.