Electron shells

Electron shells can be thought of as which vegetable?

• Carrot

• Capsicum

• Onion

• Sweet potato

Electrons repel each other and move frantically in their shells because

• Their positive charges repel

• Their negative charges attract

• Their negative charges repel

• Their positive charges attract

Tags

NGSS.MS-PS2-3

Electron shells are numbered 1, 2, 3, 4. Their corresponding lettered shells are:

• N, O, P, Q

• K, L, M, N

• L, M, N, O

• A, B, C, D

In ascending order, the maximum number of electrons each shell can hold is

• 2, 8, 8, 32

• 2, 8, 18, 32

• 2, 6, 8, 32

• 2, 3, 4, 5

Boron (B) has 5 electrons. Its electron configuration is

• 5

• 2, 2, 1

• 1, 2, 2

• 2, 3

Tags

NGSS.MS-PS1-1

An element with the electron configuration 2, 1 is in which group number?

• 1

• 2

• 3

• 4

The electron configuration of Nitrogen is

• 0, 2, 5

• N, 2, 5

• 7

• 2, 5

Tags

NGSS.MS-PS1-1

The electron configuration of sulfur is

• 2, 8, 6

• 2, 8, 8

• 3, 8, 6

• 0, 2, 8

Tags

NGSS.MS-PS1-1

How many protons does Magnesium have?

• 24

• 12

• 2

• 16

Tags

NGSS.MS-PS1-1

What does this symbol stand for?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3