Atoms and Bonding Review

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are found in atoms of group 14?

• 4
• 3
• 14
• 16

Tags

NGSS.HS-PS1-1

Why are halogens so reactive?

• They want to get rid of their only valance electron

• They only need one more electron

• They are non reactive, they have a full shell

Which of the following statements describes group 2 of the periodic table?

• Stable non-metals with 1 valence electron
• Stable Metals with 2 valence electrons
• Highly reactive non-metals with 1 valence electron.
• Highly reactive metals with 2 valence electrons.

Describe this element.

• Highly reactive metal
• Highly reactive nonmetal
• Stable
• Less stable non metal

Tags

NGSS.MS-PS1-1

An atom that has gained or lost electrons is called ...

• a winner
• an isotope
• an ion
• a loser

Atoms that gain electrons become...

• negatively charged

• positively charged

• remain neutrally charged