Valence Electrons

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 8
• 3
• 13

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 3
• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

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

USE THE PERIODIC TABLE

How many valence electrons are in an atom of Ar?

• 2

• 8

• 4

• 1

How many valence electrons are found in atoms of group 1?

• 7
• 6
• 4
• 1

USE THE PERIODIC TABLE

How many Valance electrons does Iodine Have?

• 6

• 16

• 7

• 17

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

Tags

NGSS.HS-PS1-1

The period that an element is in, tells you what?

• Number of protons

• Number of electrons

• Number of valence electrons

• Number of shells

Tags

NGSS.HS-PS1-1