Matter Test Part 2

What are the 3 subatomic particles?

• atoms, molecules, compounds

• protons, neutrons, electrons

• nuclueus, electron cloud, electron shell

Which two subatomic particles are inside the nucleus?

• protons and electrons

• protons and photons

• protons and neutrons

• electrons and protons

A chemical bond is a lasting attraction between atoms that allows for the formation of molecules. Which subatomic particle is responsible for chemical bonds?

• protons

• electrons

• neutrons

• atoms

What can not be broken down into a simpler substance by any chemical process?

• elements

• molecules

• compounds

What is a substance that is made up of 2 or more elements that have been chemically bonded together called?

• molecule

• atom

• element

• compound

A _______________  is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

• molecule

• atom

• element

• compound

Water is a molecule. It is also a ________ since it is made up of 2 different elements.

• solvent

• liquid

• compound

• element

What are the smallest particles of the compound salt called?

• molecules

• compounds

• elements

How many atoms of hydrogen are in the formula for water?

• 1

• 2

• 3

• 4

How many atoms of carbon in C₂H₄

• 1

• 2

• 3

• 4