1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making themdifferenta) elementsbisotopesc) lonsd) Energy levels2) According to the octet rule, an atom will be most stable whena) it is neutralb) its valence shell is filled with electronsc) it is an iond) it is a non-radioactive isotopeasuregold sup3) When atoms gain or lose electrons, they become negatively or positivelycharged. A positively charged atom is known as:A) isomerB) isotope SalaC) anionD) cation●hotsW (T4) Oxygen has a greater electronegativity than carbon. Picture a covalent betweenoxygen and carbon, and determine whether each statement is true or false.The covalent bond is non-polar with equally shared electrons. TRUE/FALSOxygen would be slightly negative while carbon would be slightly positiveTRUE/FALSE017on al lThis molecule could form hydrogen bonds with water and other moleculesbecause it has partial charges. TRUE/FALSETurn over for side 2 →5) The atomic number of Boron is 5. Draw the electron diagram for a neutral boronatom. 6) Consider the electron diagram of the atom shown above. Is this atom more likely toform COVALENT or IONIC bonds? (circle the correct option)7) Water's unique properties are a result ofA) isomericB) ionicC) covalentD) hydrogenbonds:8) Which of the following statements is true for water in its liquid state?A) It is less dense than ice.B) It has a specific heat lower than most other substances.C) It has a heat of vaporization higher than most other substances.D) It is nonpolar.9) Which answer best describes ice floats in liquid water?A) The high surface tension of liquid water keeps the ice on top.B) The ionic bonds between the molecules in ice prevent the ice from sinking.C) Stable hydrogen bonds keep water molecules of ice farther apart than watermolecules of liquid water.D) The crystalline lattice of ice causes it to be denser than liquid water.10) Which of the following properties of water is responsible for the formation ofraindrops?A) cohesion propertyB) adhesion propertyC) high thermal energyD) high kinetic energy

1) Two or more species of atoms of a chemical element with the same atomic number but have…

1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements Isotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope

1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements Isotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn 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, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them
different
a) elements
bisotopes
c) lons
d) Energy levels
2) According to the octet rule, an atom will be most stable when
a) it is neutral
b) its valence shell is filled with electrons
c) it is an ion
d) it is a non-radioactive isotope
asuregold sup
3) When atoms gain or lose electrons, they become negatively or positively
charged. A positively charged atom is known as:
A) isomer
B) isotope Sala
C) anion
D) cation
●
hotsW (T
4) Oxygen has a greater electronegativity than carbon. Picture a covalent between
oxygen and carbon, and determine whether each statement is true or false.
The covalent bond is non-polar with equally shared electrons. TRUE/FALS
Oxygen would be slightly negative while carbon would be slightly positive
TRUE/FALSE
017
on al l
This molecule could form hydrogen bonds with water and other molecules
because it has partial charges. TRUE/FALSE
Turn over for side 2 →
5) The atomic number of Boron is 5. Draw the electron diagram for a neutral boron
atom.

6) Consider the electron diagram of the atom shown above. Is this atom more likely to
form COVALENT or IONIC bonds? (circle the correct option)
7) Water's unique properties are a result of
A) isomeric
B) ionic
C) covalent
D) hydrogen
bonds:
8) Which of the following statements is true for water in its liquid state?
A) It is less dense than ice.
B) It has a specific heat lower than most other substances.
C) It has a heat of vaporization higher than most other substances.
D) It is nonpolar.
9) Which answer best describes ice floats in liquid water?
A) The high surface tension of liquid water keeps the ice on top.
B) The ionic bonds between the molecules in ice prevent the ice from sinking.
C) Stable hydrogen bonds keep water molecules of ice farther apart than water
molecules of liquid water.
D) The crystalline lattice of ice causes it to be denser than liquid water.
10) Which of the following properties of water is responsible for the formation of
raindrops?
A) cohesion property
B) adhesion property
C) high thermal energy
D) high kinetic energy

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