Counting Atoms

Front

What is the chemical formula for glucose?

Back

C6H12O6

Front

How many different elements are present in the compound C6H12O6?

Back

3

Front

What is the number of Aluminum atoms in the compound Al2O3?

Back

2

Front

How many Oxygen atoms are in the water molecule H2O?

Back

1

Front

In the compound Fe(NO3)3, how many Oxygen atoms are present?

Back

9

Front

How many different elements are present in the compound Mg2As3COHNi2?

Back

6

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the significance of the coefficients in a chemical equation?

Back

They indicate the number of molecules or moles of a substance.

Front

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

Back

By adding the number of atoms of each element present in the chemical formula.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.