Bonding test review

What type of bond share electrons?

• covalent

• ionic

• strong

• metallic

Which pair of atoms will form an IONIC bond?

• Mg & Cl

• Ca & Al

• C & O

• N & H

Which element will gain electrons in a chemical reaction?

• S

• Na

• K

• Zn

What is the oxidation number (charge) in a COMPOUND

• 0

• +2

• -2

• 8

Which formula represents a covalent bond?

• CH4

• CaCl2

• K2O

• ZnO

Tags

NGSS.MS-PS1-1

What is a crystal

• A regular repeating arrangement of atoms or ions

• a complex solid

• a clear, glass-like solid

• worn on a necklace

how does calcium become an ion?

• it loses 2 electrons

• it gains 2 electrons

• it shares 2 electrons

• it gains 3 electrons

the electrons lost, gained, or shared are called...

• valence electrons

• lewis electrons

• outer shell

• metal electrons

Tags

NGSS.MS-PS2-3

how many valence electrons are needed in most elements to be chemically stable

• 8

• 6

• 2

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a molecule?

• a covalent compound

• an ionic compound

• a compound

• multiple atoms bonded

Tags

NGSS.MS-PS1-1