Elements

All matter is made of

• atoms
• cells

What do you call the middle of an atom?

• proton
• neutron
• electron
• nucleus

What do you call a subatomic particle that has a negative charge?

• proton
• neutron
• electron
• nucleus

What kind of charge does a neutron have?

• positive
• negative
• neutral
• changing

What do you call the positively charged subatomic particle that is found inside the nucleus?

• proton
• neutron
• electron
• atom

What can be found inside the nucleus of an atom?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• just electrons

When two or more atoms share electrons, what do you call the joined atoms?

• element
• compound
• molecule
• atom

What do you call the smallest unit of an element with all the properties of that element?

• proton
• electron
• atom
• molecule

What do you call a substance made of only one kind of atom?

• element
• compound
• molecule
• alloy

When two or more different kinds of elements are combined, what is formed?

• molecule
• atom
• compound
• alloy