Atoms and Elements

The smallest unit of matter is a(n)

• molecule

• atom

• bond

• electron

Tags

NGSS.MS-PS1-1

The three main subatomic particles that make up an atom are:

• neutrons, protons and molecules

• ions, electrons and newtons

• electrons, neutrons and protons

• neutrons, protons, and ions

Tags

NGSS.MS-PS1-1

Elements in a vertical column of the Periodic Table have similar properties and are all members of the same _________ of elements

• molecule

• phase

• atom

• group

The number of protons in an atom is known as its atomic __________?

• number

• mass

• phase

• bond

When two or more elements are combined, the substance produced is a ______________.

• suspension

• metal

• compound

• gas

Tags

NGSS.MS-PS1-1

The center part of an atome that has a positive electrical charge

• neutron

• proton

• bond

• nucleus

A particle of matter that has a positive electric charge

• atom

• proton

• neutron

• nucleus

A particle of matter that has NO electrical charge

• atom

• proton

• neutron

• nucleus

What is the physical substance that everything is made of?

• atoms

• oxygen

• water

• matter

Tags

NGSS.MS-PS1-1

What is a compound of one or more atoms?

• Periodic Table

• molecule

• element

• bond

Tags

NGSS.MS-PS1-1