What are atoms?

A(n) is the smallest basic unit of matter.

• proton
• atom
• electron
• isotope

What is something called if it is only made of one type of atom?

• compound
• element
• isotope

Which of the following is NOT a type of subatomic particle?

• Neutron
• Electron
• Proton
• Nucleus

What is the charge of a proton?

• positive
• negative
• neutral
• salty

What is the charge of a neutron?

• positive
• negative
• neutral
• sweet

What is the charge of an electron?

• positive
• negative
• neutral
• bitter

Which TWO subatomic particles are located in the nucleus of an atom?

• protons & electrons
• protons & neutrons
• neutrons & electrons
• electrons & protoons

A ___________________ is a substance formed by the chemical combination of two or more elements in definite 
proportions.

• chemical compound
• element
• atom
• proton

The physical and chemical properties of a compound are usually ___________________from those of the elements from 
which it is formed.

• exactly the same
• slightly different
• very different
• the same

Which type of bond shares electrons?

• covalent
• ionic
• compound