Chemistry Review

These are found on the Periodic Table.

• Compounds

• Elements

• Mixtures

all matter is made of what 

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 

• electron cloud

• core 

• center 

Particles in an atom that are neutral and have no charge are 

• negatrons 

• electrons 

• neutrons 

• protons 

A particle that moves around the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Quark

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10

• 20

• 30

Tags

NGSS.MS-PS1-1

A combination of chemical symbols and numbers to represent a substance is a chemical_________

• formula

• bond

• reaction

• explosion

Tags

NGSS.MS-PS1-1

A(n) ________ is the smallest particle of an element has the chemical properties of that element.

• atom

• nucleus

• electron

• proton

Tags

NGSS.MS-PS1-1

A chemical _______is an interaction that holds two atoms together.

• hydrogen

• bond

• reaction

• product

Tags

NGSS.HS-PS1-1