Valence Electron

How many valence electrons does Na have?

• 1

• 5

• 6

• 11

Tags

NGSS.MS-PS1-1

Chlorine ( Cl) has _________ valence electrons.

• 3

• 5

• 7

• 8

Tags

NGSS.MS-PS1-1

Select the elements that has 8 valence electrons.

• Ne

• Br

• Kr

• Xe

Valence electrons plays a key role in chemical reactions and it increases from left to right of the periodic table.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

• 7
• 8
• 9
• 10

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

Q1. How many legs does a spider have?

• A) 2

• B) 8

• C) 3

• D) 13

Q1. What is the sum of 5 and 7?

• A) 12

• B) 7

• C) 8

• D) 14

• 14

• 4

• 3

• 28

Tags

NGSS.MS-PS1-1