Chemistry Semester 2 Final Review 1 2020

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

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

An element plus additional element reacts to form one product is an example of which type of chemical reaction? 

• combustion
• decomposition 
• synthesis 
• single replacement

Describes the number of molecules in a compound and is used to balance a chemical reaction. 

• coefficient 
• subscript
• superscript
• SI unit

Tags

NGSS.MS-PS1-5

A compound is reacted and forms two new substances. What type of reaction is this? 

• combustion 
• synthesis 
• decomposition 
• single replacement 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Describes the number of atoms in a compound of each element. 

• coefficient 
• superscript 
• subscript 
• SI unit 

Tags

NGSS.MS-PS1-1