Unit 3 Review

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up
• There is nothing incorrect with this diagram
• In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
• All the arrows should be pointing up.

Tags

NGSS.HS-PS1-1

Which of the following is the electron configuration for Fluorine

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

Which of the following is the electron configuration for silicon?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

How many dots would you put around carbon, a group 14 element?

• 4

• 6

• 8

• 18

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What elements generally make a covalent bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

An ionic bond forms when 

• Valence electrons are shared
• a sea of mobile electrons surround the cations
• valence electrons are transferred between atoms
• none of the above

Tags

NGSS.HS-PS1-2