What happens if you add a neutron to an atom?

if you add or subtract a neutron from an atom it will become a new isotopes of the same element

When you add a neutron to an atom you create a new isotope of the same element you had begun with. Neutrons do not carry an electric charge so it doesn't change the charge.

Explanation:

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.