How many electrons in the innermost energy shell?

• 2

• 8

• 10

• 12

• 14

What is the electron configuration of sodium?

• 2.8

• 2.8.2

• 2.8.1

• 11

Tags

NGSS.MS-PS1-1

Which element has an electron configuration of 2.8.8?

• Lead

• Flourine

• Neon

• Argon

What is the electron configuration of Aluminium?

• 2.8.3

• 2.11

• 13

• 2.8.2

What is the electron configuration of chlorine?

• 17

• 2.7

• 2.8.7

• 2.8.4

Tags

NGSS.MS-PS1-1

Which element has the electron configuration of 2.8.2?

• Magnesium

• Sodium

• Sulfur

• Arsenic

Which element has the electron configuration of 2.8.4?

• Neon

• Boron

• Gallium

• Silicon

How many electrons can the first energy level hold?

• 1

• 2

• 8

• 0

How many electrons are represented here?

• 7

• 5

• 2

• 8

• 9

Tags

NGSS.MS-PS1-1

What is the electron configuration of beryllium?

• 2.2

• 2.4

• 4

• 6

Tags

NGSS.HS-PS1-1