Counting Atoms

Front

What is the total number of atoms in H₂SO₄?

Back

7

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What is the chemical formula for 1 atom of nickel and 2 atoms of Fluorine?

Back

NiF₂

Front

How many Oxygen atoms are in H₂O?

Back

1

Front

How many more Oxygen atoms than Magnesium are in MgSO₄?

Back

3

Front

Define an atom.

Back

The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What is a chemical formula?

Back

A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.

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 coefficient in a chemical formula?

Back

It indicates the number of molecules or moles of the substance.

Front

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

Back

Add the number of atoms of each element, considering their subscripts.