I have only 2 valence electrons but I am stable in my outer level.

• Hydrogen
• Magnesium
• Calcium
• Helium

Tags

NGSS.HS-PS1-1

I have seven valance electrons.

• oxygen
• nitrogen
• neon
• fluorine

Tags

NGSS.HS-PS1-1

My dot diagram would have 3 dots

• gallium
• carbon
• magnesium
• titanium

Tags

NGSS.HS-PS1-1

Which of the following is an example of an Ionic bond

• hydrogen to oxygen
• barium to nitrogen
• nitrogen to fluorine
• carbon to chlorine

How many atoms are there in the following formula?
Ca(C₂H₃O₂)₂

• 6
• 16
• 15
• 17

Which of the following is an example of an Ionic bond

• hydrogen to oxygen
• barium to nitrogen
• nitrogen to fluorine
• carbon to chlorine

Tags

NGSS.HS-PS1-3

How many Oxygen are found in the following formula
NH₂CO₃

• 5
• 7
• 6
• 3

Tags

NGSS.MS-PS1-1

I am an Alkaline Earth Metal so I have _____ valence electron(s)

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

Count the number of carbon atoms in the formula
C₁₂H₂₂O₁₁

• 11
• 13
• 12
• 22

Tags

NGSS.HS-LS1-6

How many different types of elements are in the following formula?
K₂SO₄

• 3
• 4
• 5
• 7

Tags

NGSS.MS-PS1-1