Electron

what is the electron arrangement of atom N?

• 2.

• 2.8

• 2.5

• 2.8.8

Tags

NGSS.MS-PS1-1

What is the electron arrangement of Ne

• 2,8

• 2,7

• 1,9

• 2,9

What is the maximum number of electrons in the second energy level (second shell) ?

• 18

• 8

• 32

• 2

Identify the element with the electron arrangement 2,8,2

• Neon

• Sodium

• Magnesium

• Aluminium

Identify the element with the electron arrangement 2,8,8

• Neon

• Argon

• Helium

• Chlorine

Element X has 7 outer electrons. Which group is it in?

• 1

• 2

• 7

• 8

How many total electrons does element 15 have?

• 5

• 2

• 8

• 15

If an atom has 4 protons, how many outer electrons will it have?

• 4

• 6

• 2

• 0

Tags

NGSS.MS-PS1-1

X atom has 12 protons. what is the electron arrangement of atom X?

• 2.8

• 2.8.8

• 2.8.2

• 2.10

Tags

NGSS.MS-PS1-1

An atom has 10 protons in its nucleus. how many electrons does the atom have?

• 10

• 11

• 12

• 13

Tags

NGSS.MS-PS1-1