Balancing equations

__ Al + __ FeO → Al₂O₂ + __ Fe

• 1, 1, 2

• 2,1,2

• 2, 2, 2

• 2,4,2

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

 Mg  +  ___ HCl  →   MgCl₂  +   H₂

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which side of a chemical equation is the reactant side?

• Left (before the yields sign)
• Right (after the yields sign)

Tags

NGSS.MS-PS1-5

Which side of a chemical equation os the product side?

• Left (before the yields sign)
• Right (after the yields sign)

Tags

NGSS.MS-PS1-5

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 
• Subscript
• Atom
• Equation

What does the Law of Conservation of Mass state?

• Matter cannot be gained or lost in a chemical reaction.
• Matter can only be lost in a chemical reaction.
• Matter can only be gained in a chemical reaction.
• Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.MS-PS1-5

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes
• No

Tags

NGSS.MS-PS1-5

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

Tags

NGSS.MS-PS1-5

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1