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

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

What type of bond forms between two or more atoms that are charged (+/-)?

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

Tags

NGSS.HS-PS1-3

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

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-2

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

Which category of elements have the property of being malleable and ductile?

• gases
• metals
• metalloids
• nonmetals

Tags

NGSS.HS-PS1-1

Electrons that are free to move in a metal are referred to as...

• localized electrons
• delocalized electrons
• electrostatic electrons
• cations

Alloys include a "sea" of free moving _______. 

• electrons
• atoms 
• molecules 
• protons 

Tags

NGSS.HS-PS1-3

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