Periodic Table W25

On the periodic table, Groups are

• Horizontal rows

• Vertical columns

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What group does this element belong to?

• 1

• 2

• 17

• 18

Tags

NGSS.MS-PS1-1

Which group includes non-reactive gasses that have a full outer electron shell?

• Alkai Metals

• Alkaline Metals

• Halogens

• Noble Gases

Which group includes soft, highly reactive metals with one electron in their outer shell?

• Alkai metals (group 1)

• Alkaline metals (group 2)

• Halogens (group 17)

• Noble gasses (group 18)

The period number tells you the number of

• protons

• energy levels

• valence electrons