Prior Knowledge Chemistry

Metals tend to 

• gain electrons
• lose electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Nonmetals tend to 

• gain electrons
• lose electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

What is a positive ion called?

• anion

• cation

• isotope

• covalent

Why do elements form bonds?

• to get a charge

• so they can make friends

• to become stable by getting a full valence shell

• to become stable by increasing their mass

smallest unit of matter

• atom

• neutron

• proton

• electron

Tags

NGSS.MS-PS1-5

amount of matter an object has

• grams

• mL

• mass

• volume

left side of the periodic table- good conductors, strong, shiny

• nucleus

• groups

• metals

• nonmetals

unit for volume

• mg

• mL

• grams

• g/mL

positively charged subatomic particle in the nucleus of the atom.

• neutron

• proton

• electron

• atom