| Question | Answer |
| What is an element | a pure substance
|
What are two or more elements joined together called? | compounds
| How many elements are present in the human body? | 26 elements
| Identify the 4 elements that make up 96% of the human body | carbon,oxygen,hydrogen, nitrogen
| Positively charged subatomic particle | protons
| Negatively charged subatomic particle | electrons
| Subatomic particle that has no charge | neutrons
| Unequal number of protons and neutrons | isotopes
| any charged particle | ion
| Type of bond that transfers electrons from one element to another | ionic bond
| Type of bonds that share electrons | covalent
| Positive charged ion is called | Cation
| Negative charged ion is called | Anion
| Releasing of Hydrogen ions create | Acid
| Increased OH- identifies a(n) | Base
| scale used to measure H+ ion concentration | pH
| Simple sugars | monosaccharides
| Example Table sugar, Lactose, Maltose | Dissacharides
| Commonly called sugars and starches | carbohydrates |
