Atoms

The positively charged particle in an atom.

• Proton

• Neutron

• Electron

• Nucleus

Tags

NGSS.MS-PS1-1

Describes what an atom looks like

• Atomic Number

• Mass Number

• Electron Cloud

• Atomic Theory

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses

Tags

NGSS.MS-PS1-1

The following subatomic particles are in the nucleus.

• Protons and nucleus.

• Protons and neutrons.

• Protons and electrons

• Neutrons and electrons

Tags

NGSS.MS-PS1-1

The separate atoms that make up a wooden table cannot be seen because the atoms are

• too small

• moving too fast

• packed lightly together

• hidden beneath the surface

Tags

NGSS.MS-PS1-1

Atoms bond together in different ways to make ________________.

• Substances

• Matter

• Molecules

Tags

NGSS.MS-PS1-1

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1