Intro. Chemical Reactions

indicates substance is a liquid

• g

• cr

• aq

• l

Tags

NGSS.MS-PS1-4

The starting substances of a chemical reaction is called

• products
• substances
• reactants

An ending substance that is made during a chemical reaction is called

• Reactant
• Product
• Atom
• Molecule

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are Chemical Reactions?

• It's when you mix substances.
• a process in which atoms rearrange to form new substances
• When something bubbles.
• letter and numbers showing the types and number of atoms

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

Which are the products in the reaction shown?

• Al₂O₃
• Al
• O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this image, what are the information in red is called the_______.

• Product
• Reactant
• Chemical Subscript

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The symbol for a substance dissolved in water is

• (s)
• (l)
• (g)
• (aq)

What is the arrow in a chemical equation...
H_{2 +} O --> H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

2 Ca + O₂ --> 2 CaO

How many O are there?

• 2

• 1

• 0