Physical Science 2020 Final Review

What type of bond forms when 2 or more electrons are SHARED?

• Covalent bond
• Incomplete bond
• Ionic bond
• Metallic bond

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-2

Which of the following is an example of a COVALENT COMPOUND?

• H₂S
• KI
• CaCl₂
• MgO

Tags

NGSS.MS-PS1-1

What charge does a bromine (Br) ion have?

• -1
• -2
• -3
• -4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What charge does a potassium (K) ion have?

• +1
• -1
• +2 
• -2

Tags

NGSS.HS-PS1-1

Name that Ion
Li+

• copper (III)
• lithium
• ladmium
• iodine

Tags

NGSS.HS-PS1-1

Ionic bonds are between _______ and ________. 

• nonmetals and nonmetals 
• metals and metals 
• metals and nonmetals
• none

Tags

NGSS.HS-PS1-2

How does a positively charged ion form?

• An atom loses an electron
• An atom gains an electron
• An atom gains a proton
• An ionic compound dissolves

Tags

NGSS.HS-PS1-2

Covalent bonds tend to happen between two

• metals
• nonmetals
• metal and nonmetal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Outer shell electrons are called

• outer electrons
• valence electrons
• negatives

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2