Unit 2: Atomic Struct. & Mod. (Atomic # and Isotopes & Ions) CFU

What does a represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What does b represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What does c represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What is the atomic mass of this element?

• 20

• 60

• 40

• 41

What is the name of this element?

• Calcium

• P

• Ca

• C

Tags

NGSS.MS-PS1-1

protons

• negative charge, nucleus

• positive charge, shells

• positive charge , nucleus

• neutral charge, nucleus

neutrons

• neutral/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.MS-PS2-3

How many protons does this element have?

• 14

• 7

• 15

• 18

Tags

NGSS.MS-PS1-1

"C" is the element symbol for which element?

• calcium
• carbon
• chlorine
• cadmium