Acids, Ionics, and Covalents

Metals tend to _________ electrons and nonmetals tend to __________ electrons

• gain, gain
• lose, lose
• lose, gain
• gain, gain 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Anions tend to have a _______ charge and cation tend to have a _________ charge

• positive, positive
• negative, negative
• positive, negative
• negative, positive

Anions tend to be _________and cations tend to be ___________

• metals, metals
• nonmetals, nonmetals
• metals, nonmetals
• nonmetals, metals

Which species below is the nitride ion?

• Na⁺
• NO₃^-
• N^3-
• NH₄⁺

_______typically forms ions with a 2⁺ charge. 

• Alkaline earth metals
• halogens
• chalcogens
• alkali metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Sodium forms an ion with a charge of 

• 1+
• 1-
• 2+
• 2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Fluorine forms an ion with a charge of 

• 1-
• 1+
• 2+
• 7-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Iodine forms an ion with a charge of 

• 7-
• 1+
• 2-
• 1-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following compounds would you expect to be ionic?

• CaO
• H₂O
• CO₂
• NH₃

Tags

NGSS.HS-PS1-3

Which pair of elements is most likely to form an ionic bond ?

• barium, chlorine
• oxygen, fluorine
• sulfur, carbon
• nitrogen, hydrogen

Tags

NGSS.HS-PS1-2