Chapter 6 Test 3. Which of the following is a small particle that is the building block of matter?
a substance
b. mixture
c. atom
d. molecule
4. Which of the following is NOT a molecule?
a. water
b. silver
c. carbon dioxide
d. sugar
5. Which particle or particles make up the nucleus?
a. protons
b. neutrons
c. clectrons and protons
d. protons and neutrons
6. The number of protons in the nucleus of an atom is which of the following?
a. atomic number
b. electron cloud
c. isotope
d. ion
7. What is an ion?

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.