Electronic Structure

Where are the electrons found?

• In the nucleus

• The same place as the protons

• In shells

• The same place as neutrons

What shell represents the lowest energy level of an atom?

• The 1st shell

• The 3rd shell

• The 2nd shell

• The 4th shell

The first electron shell can old how many electrons?

• 8

• 2

• 6

• 4

The second electron shell can old how many electrons?

• 8

• 2

• 6

• 4

The correct electron configuration for sodium is....

• 2, 8, 2

• 2

• 2, 8

• 2, 8, 1

Elements in group 5 have how many electrons in the outer shell?

• 1

• 4

• 6

• 5

Elements in group 1 have how many electrons in the outer shell?

• 4

• 1

• 6

• 8

Group 0 are known as the

• Noble gases

• Stable gases

• Smelly gases

• Royal gases

Tags

NGSS.MS-PS1-4

The noble gases are ____ as a result of having a full outer shell.

• Volatile

• Reactive

• Stable

• Electronegative

The charge of an electron is...

• +2

• +1

• 0

• -1

Tags

NGSS.MS-PS2-3