SWYK LGC- Chemical Formulas & Equations

The small numbers under and to the right of element symbols in a formula are called _________________.

• element symbols

• exponents

• coefficients

• subscripts

A ___________________ uses chemical formulas, plus signs, and an arrow to represent a chemical reaction

• chemical formula

• chemical equation

• element symbol

• inventory

What is the subscript in the formula?

• 2

• N

• H

• 3

Tags

NGSS.MS-PS1-1

This is an example of a ___________________________.

• chemical formula

• chemical equation

Tags

NGSS.MS-PS1-1

CaCO₃ represents a

• Symbol

• Formula

• Subscript

• Coefficient

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

• H₃PO₄
• H₂SO₄
• HCIO₃
• H₂O

Tags

NGSS.MS-PS1-1

The chemical formula for sodium sulfate is Na₂SO₄. How many sulfur atoms are in the formula for sodium sulfate?

• 1
• 2
• 6
• 7

Tags

NGSS.MS-PS1-1