8.5D Counting Atoms

Front

How many nitrogen atoms are in the chemical formula 5C₈H₁₀N₄O₂?

Back

20

Front

Which correctly identifies the chemical formula of glucose?

C₁₂H₆O₆

,

C₆H₁₂O₆

,

C₆H₆O₆

,

C₅H₁₀O₆

Back

C₆H₁₂O₆

Front

Chemical formula represented by the model:

B₂W₃

,

B2W3

,

2B₂W

,

2B₃W

Back

B₂W₃

Front

Which statement correctly identifies location C in the graphic?

Back

Identifies the element in a chemical formula

Front

Chemical formula for sulfuric acid: H₂SO₄. How many atoms of each element are present?

Back

H-2 atoms, S-1 atoms, O-4 atoms

Front

Back

MgSO₄ and NaHCO₃

Front

How many oxygen atoms are in the chemical formula Al₂(CO₃)₃?

Back

9

Front

Which student is correct in determining the number of atoms in each substance? Student 1: Coefficient, Student 2: Subscripts, Student 3: Chemical symbols.

Back

Student 2

Front

What is the best description of this molecule of caffeine? C₈H₁₀N₄O₂

Back

Eight atoms of carbon, ten atoms of hydrogen, four atoms of nitrogen, and two atoms of oxygen

Front

How many hydrogen atoms are in one molecule of baker's ammonia? (NH₄)₂CO₃

Back

8