Atoms and elements

Everything around us is made up of _________

• atoms

• elements

• metals

• other

Which of the following is the smallest unit of matter?

• molecule

• atom

• cell

• compound

Which particle has a negative charge?

• proton

• neutron

• electron

• ion

Which of the following is a positively charged particle?

• electron

• proton

• neutron

• ion

What is formed when two or more atoms bond together?

• element

• compound

• mixture

• solution

What substances are formed when two or more metallic substances ?

What is an example of an alloy?

• bronze

• gold

• platinum

• silver

What do we call a substance made of only one type of atom?

• compound

• element

• mixture

• solution

What is the charge of a neutron?

• positive

• negative

• neutral

• variable

Which of the following is a mixture?

• water

• salt

• air

• gold