Reading Chemical Formulas

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

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1

• 2

• 4

• 3

Tags

NGSS.MS-PS1-1

Number of C's in 2Na₂CO₃

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

How many atoms of magnesium (Mg) are in the compound Al₂MgO₄

• 7

• 4

• 2

• 1

Tags

NGSS.MS-PS1-1

Which chemical formula correctly displays 1 atom of nickel and 2 atoms of Fluorine?

• niF2

• NIF₂

• Ni₁F₂

• NiF₂

Tags

NGSS.MS-PS1-1

How many elements are in this chemical formula?

• 7

• 8

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms are in this chemical formula?

• 7

• 8

• 3

• 4

Tags

NGSS.MS-PS1-1

How many phosphorus atoms are there?

• 0

• 1

• 3

• 4

Tags

NGSS.MS-PS1-1

Coefficients in chemical formulas...

• Multiply just the first atom

• Add to the subscripts at the end of the molecule

• Multiply elements without subscripts

• Multiply EVERYTHING!

Which elements are in the formula shown above?

• Cobalt only

• Carbon and Oxygen

• Copper only

• Carbon and Osmium

Tags

NGSS.MS-PS1-1