Atoms and Molecules

The positive particle in an atom.

• proton

• neutron

• electron

• electron cloud

Tags

NGSS.MS-PS1-1

How many protons does Nitrogen have?

• 7

• 8

• 14

• 14.01

Tags

NGSS.MS-PS1-1

The negative particle in an atom.

• proton

• neutron

• electron

Which of the following particles is NOT found in an atom's nucleus?

• proton

• neutron

• electron

What is the label A?

• protons

• neutrons

• electrons

• nucleus

Tags

NGSS.MS-PS1-1

What is label E?

• protons

• neutrons

• electrons

• nucleus

Tags

NGSS.MS-PS1-1

What is the overall charge of this atom?

• +3
• -3
• 0
• +1

Tags

NGSS.MS-PS1-1

What is the center of the atom called?

• nucleus

• electron cloud

• energy level

• neutron

Tags

NGSS.MS-PS1-1

Which term defines any substance that cannot be broken down into a simpler substance?

• atom

• molecule

• element

• compound

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0
• 1
• 2
• 3

Tags

NGSS.MS-PS1-1