Counting Atoms

Front

What is the product of the reaction 2H₂ + O₂ -> ?

Back

2H₂O

Front

How many Carbon (C) atoms are in C₆H₁₂O₆?

Back

6

Front

How many total atoms are in 2CO₂?

Back

6

Front

What is the number of Nitrogen (N) atoms in (NH₄)₂CrO₄?

Back

2

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a molecule.

Front

What is the difference between a coefficient and a subscript in a chemical equation?

Back

A coefficient indicates the number of molecules, while a subscript indicates the number of atoms in a molecule.

Front

How do you calculate the total number of atoms in a compound?

Back

Add the number of atoms of each element, multiplied by their respective coefficients.

Front

What is the molecular formula for glucose?

Back

C₆H₁₂O₆

Front

In the compound H₂O, how many hydrogen atoms are present?

Back

2 hydrogen atoms.

Front

What is the total number of atoms in the compound C₃H₈?

Back

11 atoms (3 Carbon, 8 Hydrogen).