Periodic Table Groups and Periods

• Periods
• Groups
• Isotopes

• Electrons

Halogens have _________ electrons in their outermost shell.

• 2

• 7

• 8

• 18

Tags

NGSS.MS-PS1-1

The alkaline earth metals (such as Calcium) are in group number _____.

What element is in the 3rd period, 15th Group? Type the element Symbol

What element is the only group 18 element that does not have 8 valence electrons?

Locate Lanthanides and Actinides. (Select TWO choices)

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many Valence electrons does nitrogen have?

Max, Florence, and Oliver are playing a game to learn about the periodic table. They need to identify which term goes side to side on the periodic table. Can you help them? A _________ goes side to side on the periodic table.

• Group

• Period

Thomas, Chloe, and Elsie are on a treasure hunt. They found a clue that says 'Find the element in period 4, group 1'. Can you help them solve the clue?

• K - Potassium

• V - Vandium

• C - Carbon

• Ti - Titanium

Thomas, Aarav, and Anaya are playing a fun game of 'Elemental Periods'. They stumbled upon a question and need your help. Can you tell them which two elements are in the same Period?

• K - Potassium and Na - Sodium

• Li - Lithium and Mg - Magnesium

• B - Boron and C - Carbon

• Zn - Zinc and N - Nitrogen