Periodic Table Test Prep

What is the average of this data set: 2, 2, 2, 3

• 2

• 2.25

• 2.50

• 2.75

What is the average of this data set: [14, 14, 15, 16]

• 15

• 14.25

• 14.75

• 15.80

What is the average of this data set: [3, 5, 5, 6]

• 4

• 5

• 5.15

• 4.75

How many valence electrons does Si have?

• 4

• 3

• 2

• 14

How many valence electrons does Ne have?

• 10

• 8

• 18

• 20

How many valence electrons does He have?

• 10

• 8

• 18

• 2

How many valence electrons does K have?

• 10

• 19

• 1

• 2

How many valence electrons does Mg have?

• 10

• 2

• 6

• 12

Electrons on the outer most shell are called _______ electrons

Tags

NGSS.MS-PS1-1

Draw the Lewis Dot Structure for the element Na

Tags

NGSS.HS-PS1-1