balancing and types of reactions

Tags

NGSS.HS-PS1-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

NGSS.HS-PS1-7

Which of the following is a compound?

• zinc (Zn)

• magnesium (Mg)

• sodium chloride (NaCl)

• potassium (K)

Tags

NGSS.MS-PS1-1

Identify the following chemical reaction.

3 HBr + 1 Al(OH)₃ ----> 3 H­₂O + 1 AlBr₃

• Synthesis (or combination)

• Decomposition

• Single displacement

• Double displacement

___________________ are the elements/compounds formed in a chemical reaction (on the right)

• Polymers
• Bonds
• Reactants
• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The red numbers in the image below represent ________

• subscripts
• coefficients
• I don't know, and don't want to try
• None of the answers are correct

What type of reaction involves the breaking down of a substance into simpler substances?

• Single Displacement Reaction

• Double Displacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-2

What is the little number after an element in a chemical equation called?

Example: H₂

• Coefficient

• Atom

• Subscript

• Equation

This image represents

• a double replacement reaction
• a decomposition reaction
• a single replacement reaction
• a complex compound reaction

Tags

NGSS.HS-PS1-2