click below
click below
Normal Size Small Size show me how
Atom review
| Question | Answer |
|---|---|
| What is the difference between a element and a compound? | A element is a a pure substance that is only made up of 1 atom.A compound is 2 or more elements chemically combined. |
| What suboramic particle is located in the outer shell ? | Electrons |
| What is in group 4 period 4 in the periodic table? | =Ti |
| What is a mixture? | A physical combination of 2 or more substances that are not chemically combined. |
| What is a subscript? | A number written below and to the right of a chemical symbol in a chemical formula to indicate the number of atoms of that element in a molecule. |
| What is a atomic number? | A atomic number is the total number of protons found in the nucleus of an atom,Identifying each chemical element. |
| What is PNE? | Protons,Neutrons,electrons |
| What is a atom? | The smallest unit of matter that has the chemical properties of an element |
| What is a molecule? | The smallest unit of a substance that remains its chemical properties,Consisting of 2 or more atoms held together by chemical bonds. |
| What is CHO 6 12 6? | The molecular formula for gluecose |