Atoms and Molecules Review

What is on the outside, or outer part, of an atom?

• electron

• neutron

• proton

• nucleus

The atomic number tells us how many ____________ are in an atom?

• girls

• neutrons

• mass

• protons

We can get the atomic mass of an atom by adding:

• electrons and protons

• protons and electrons

• protons and neutrons

• electrons and neutrons

Tags

NGSS.MS-PS1-1

Small positively charged particles that are found in the nucleus of an atom

• neutron
• ion
• proton
• electron

A tiny, negatively charged particle that moves around the outside of the nucleus of an atom

• ion
• proton
• electron
• neutron

All matter is made of what?

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a neutral charge?

• Proton
• Neutron
• Electron

The number of protons in an atom

• Atomic Number
• Atomic Proton
• Atomic Neutron
• Atomic Mass

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1