The Periodic Table

Which electronic configuration describes how electrons are arranged in the shells of a chlorine?

• 2, 8, 6

• 2, 8, 8

• 2, 8, 7

• 2, 7

• 2, 8

Which electronic configuration describes how electrons are arranged in the shells of a potassium atom?

• 2, 8, 8, 1

• 8, 8, 3

• 2, 8, 8,8, 1

• 2, 8, 9

• 2, 8, 7, 2

Which electronic configuration describes how electrons are arranged in the shells of a sodium ?

• 2, 8, 8, 5

• 2, 8, 1

• 2, 8

• 2, 8, 2

• 2, 1

Which electronic configuration describes how electrons are arranged in the shells of a sodium ?

• 2, 8, 8, 5

• 2, 8, 1

• 2, 8

• 2, 8, 2

• 2, 1

If an atom of an element had 16 electrons, which group of the periodic table would it be in ___________________.

Which electronic configuration describes how the electrons are arranged in the shells of an aluminum atom?

• 2,5,6

• 2,11

• 2,3,8

• 2,8,3

• 8,5

Which electronic configuration describes how the electrons are arranged in the shells of a carbon atom?

A2,6 B2,4 C2,8 D6 E3,3

• 2,6

• 2,4

• 2,8

• 6

• 3,3

How many electrons do most atoms of elements in group 18 of the periodic table have in their outer shell? ________________________

What is the maximum number of electrons in the 1st electron shell?

• 50

• 32

• 8

• 2

• 18

How many electrons are in the outermost electron shell of fluorine?_______________________________