Unit 2 Vocab

what is an atom

• smallest part of the universe

• smallest part of a substance

• smallest part of anything

• smallest part of water

Tags

NGSS.MS-PS1-1

protons

• negative charge, nucleus

• positive charge, shells

• positive charge , nucleus

• neutral charge, nucleus

Tags

NGSS.HS-PS1-8

neutrons

• no charge, shells

• positive charge, nucleus

• neutral, no charge, nucleus

• negative charge, shells

electrons

• no charge, nucleus

• positive charge, nucleus

• negative charge, shells

• negative charge, nucleus

Tags

NGSS.HS-PS1-2

atomic number

• number of protons/stands for an element

• number of neutrons

• number of electrons

• number of protons and neutrons

Tags

NGSS.HS-PS1-7

mass number

• number of protons

• number of electrons

• number of protons and electrons

• number of protons and neutrons

Tags

NGSS.HS-PS1-8

atomic symbol

• capital letter

• lowercase letter

• 2 capital letters

• 2 lowercase leters

a charged atom

• neutral

• isotope

• ion

• nucleus

Tags

NGSS.MS-PS2-3

What are the positively charged particles in an atom?

• Protons
• Neutrons
• Electrons

Tags

NGSS.MS-PS1-1

Electrons have what charge?

• Negative
• Positive
• Neutral
   (No Charge)

Tags

NGSS.MS-PS2-3