Periodic Table & Other Stuff

What is the atomic number of this element?

• 4
• 9
• 9.0122

Tags

NGSS.HS-PS1-1

Which family of elements is not marked by a chemical symbol on the Periodic Table?

• Alkali Metals
• Noble Gases
• Halogen Gases
• Alkaline Earth Metals

If the atomic number shows you the number of protons in an element, how many neutrons does this element have?

• 7
• 6
• 12
• 12.011

If the atomic number shows you the number of protons in an element, how many neutrons does this element have?

• 3
• 6
• 6.941
• 4

If the atomic number shows you the number of protons in an element, how many neutrons does this element have?

• 1
• 5
• 9
• 4

If the atomic number shows you the number of protons in an element, how many neutrons does this element have?

• 10
• 11
• 20
• 20.180

What is the name of this element?

• Colbalt
• Corbon
• Carbon
• Colcium

What is the atomic number of Neon?

• 10
• 20.180
• 20
• 11

What is the atomic mass of Oxygen?

• 8
• 15
• 16

What is the atomic mass of Mercury?

• 200
• 199
• 201
• 202