PHOTOSYNTHESIS 4 LOCATED IN THE 7 2. TRAPS LIGHT ENERGY AND MAKES FOOD り

Q: Which one of the following is an example of an element? A) brass B) nickel C) bronze D) sterling…

A: An element is a pure substance that cannot be broken down into simpler substances by means of any…

Q: IS THERE A PATTERN TO THE LOCATION OF THE GASEOUS ELEMENTS ON THE PERIODIC TABLE?

A:

Q: Q1. The colour of silver and gold nanoparticles changes according to the particle's ....... OK

A: The color changes depending on the size/shape of the gold nanoparticles.

Q: Is Au the symbol for gold?

A: Aurum is tge latin word for gold.

Q: What is an element composed of?

A: An element is a pure material made up of atoms with the same number of protons in their atomic…

Q: What is the name of the element that is in group 5A and period 3? What is the name of the element…

A: A question based on periodicity properties that is to be accomplished.

Q: Which of the following are extrinsic properties? being made of paper O being to the left of a…

A: An extrinsic property is not essential or inherent to the subject that is being characterized.

Q: What is the name of the compound shown here? nee

A: Please find your solution below : Acid anhydride is an organic compound that has two acyl (R-C=O)…

Q: Who made the periodic table

A: Periodic table is a arrangement of elements are found in nature on the basis of atomic number.…

Q: What is the chemical symbol for iron? a) Fe b) I c) Ir d) In

A: The chemical symbol for an element is a shorthand representation used to denote that specific…

Q: How do elements differ?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: the elements within group 13 have the same number of?

A: The required solution is as follows:

Q: Consider the combustion of carbon monoxide. CO(g) +- O2(g) → CO2(g) i i Determine the value of the…

A: (i) Concept introduction: It is often possible to calculate the enthalpy change for a reaction from…

Q: suggested that everything was made of atoms

A: According to Dalton's atomic theory,  matter is consists of tiny paricles ,called atoms

Q: What is the key difference between an element and a com-pound?

A: The differences between  element and a com-pound are:

Q: 45. List the symbol and atomic number of each element.(a) carbon(b) nitrogen(c) sodium(d)…

A: The atomic number of an element represents the number of protons or the number of electrons present…

Q: What does the compound look like?

A:

Q: Suppose a chemical company produces 3.91 X 103 kg of benzene.  The benzene is put into 14.5 L…

A: Given: Mass of benzene produced = 3.91 X 103 Kg = 3.91 X 106 g.                          (Since 1 Kg…

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

A:

Q: State law of definite proportions.

A: Given: Law of definite proportions.

Q: ɴ=₃,ʟ=₁,ᴍʟ=-₃

A: Answer:-  option  D N=3, L=1, Ml =-3    this set is not an acceptable set of quantum number.

Q: List some examples of how elements were named

A: Elements are the the pure substances which consists of only same kind of atoms which are same in all…

Q: Which of the following physical properties do you think would help you determine whether the shiny…

A: There are many properties which can be used to determine whether the shiny nugget is gold or not .…

Q: What is the symbol for neon?

A: Neon is a Nobel gas element. It's atomic number is 10. It is a colourless and orderless monoatomic…

Q: Do Periods in the periodic table have anything in common? If so, what?

A: A period is a horizontal row of the periodic table. There are seven periods in the periodic table.

Q: Describe the Atomic Theory of Matter?

A: The atomic theory of Matter has to be described.

Q: What is the number of protons of the given element?

A:

Q: Describe the period table.how is it organized

A: Given: Periodic table To find: Periodic table and how it is organized Solution: There are many…

Q: I Review I Constants I Periodic Table Learning Goal: To understand the arrangement of the periodic…

A: Metals are malleable and ductile. They  are denser than the other elemental substances. An element…

Q: Mendelevium, atomic number 101, was synthesized in the year 1955 and commemorates Mendeleev's…

A: We are given some information of an element called mendelevium having atomic number 101.

Q: QUESTION 27 Which of the following elements is NOT a metal? O Indium, In O Iridium, Ir O Lithium, Li…

A:

Q: Where on the periodic table are the most nonmetallic elements found?

A: Elements that gains electrons and form their respective anion are known as non-metals.   Seventeen…

Q: +, - nich of the following correctly indicates whether the solid represented by the particulate…

A: Need to examine both positive and negatively charged ions in the given model

Q: 42. Find the atomic number (Z) for each element.(a) Si(b) W(c) Ni(d) Rn(e) Sr

A: Find the atomic number (Z) for each element.(a) Si(b) W(c) Ni(d) Rn(e) Sr

Q: Which of the following is the correct Lewis diagram showing the compound formed from sillcon (14)…

A:

Q: How many parsecs are there in 5 light-years?

A: • We need to convert 5 light year into ____ parsecs

Q: topic: matter does each sample have a measurable mass? how do you measure the mass of each sample?…

A:

Q: a mass that is 1000 times greater than 1 gram

A: Mass: It is the measure that is used to determine the amount of any substance or material. It can be…