Atoms and Molecules 7th (2)

What type of charge does a proton have?

• negative

• postive

• no charge/neutral

What type of charge does an electron have?

• positive

• no charge/neutral

• negative

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the center of the atom called?

• nucleus

• electron cloud

• energy level

• neutron

What two sub-atomic particles belong in the nucleus of an atom?

• electrons and protons

• protons and neutrons

• electrons and neutrons

How do you find the atomic number?

• by the number of electrons

• by the number of protons

• by the number of neutrons

What is the atomic number of this Carbon atom?

• 6

• 8

• 14

• 12

Tags

NGSS.MS-PS1-1

What are the basic building blocks for all matter?

• atoms
• Legos

• compounds
• chemicals

Tags

NGSS.MS-PS1-1

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

Bonds between atoms in a molecule form as a result of the sharing  of?

• formulas
• electrons
• atoms
• chemicals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3H₂O
How many Oxygen atoms are present in total?

• 3

• 4
• 1
• 5

Tags

NGSS.MS-PS1-1