| Questions | Answers |
|---|---|
| What is the first element on the periodic table? | Hydrogen |
| What is the main gas found in the air we breathe? | Nitrogen (around 78%) |
| What is the chemical symbol for gold? | Au |
| What is H20 more commonly known as? | Water |
| Atoms of the same chemical element that have different atomic mass are known as? | Isotopes |
| What orbits the nucleus of an atom? | Electrons |
| True or false? An electron carries a positive charge. | False |