4.1-4.2 Review

What charge do PROTONS have?

• Positive

• Negative

• None/Neutral

What charge do ELECTRONS have?

• Positive

• Negative

• None/Neutral

What charge do NEUTRONS have?

• Positive

• Negative

• None/Neutral

Where are PROTONS located in an atom?

• Nucleus

• Energy levels

Where are NEUTRONS located in an atom?

• Nucleus

• Energy levels

Tags

NGSS.MS-PS1-1

Where are ELECTRONS located in an atom?

• Nucleus

• Energy levels

Which statement best describes energy levels?

• The CLOSER to the nucleus, the more energy an energy level has.

• Distance from the nucleus has no impact on the energy an energy level has.

• The FURTHER away from the nucleus, the more energy an energy level has.

What are valence electrons?

• Electrons in the outermost energy level.

• Electrons that act as valet's for hotels.

• Regular electrons with a fancy name.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

True or false: Most elements are stable enough to exist by themselves.

• True

• False

The goal of chemical bonding is to achieve _______ total valence electrons between the two atoms.