chemistry

2. – involve changing shape, physical state, size,temperature without changing the chemical identity.
4. are made up of minerals your body needs –table salt, water, magnesium
6. one kind of atom; food processing can strip some foodsof these vital elements – iron, calcium, potassium
7. -occurs whenever new substances with different\chemical and physical properties are formed.
8. contain hydrogen and oxygen; all the sourcesof energy in your diet – carbohydrates, fats, proteins
10. is matter in which all the basic units are the same;either elements or compounds; elements important for good health
11. – Electrons are transferred from one atom to anotherand it causes both atoms to have a charge
12. is the study of the makeup, structure, and properties of substances and the changes that occur to them.

1. – uniform distribution of particles throughoutex. Tea or soft drinks
3. Bonds – Is formed when atoms share one or more pairs ofelectrons
5. – non-uniform distribution of particles ex.Vegetable soup
9. are substances that are put together but not chemicallycombines ex. Milk has calcium and salt