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Atoms and molecules
helps people learn the atoms and moecules
| Question | Answer |
|---|---|
| The bonding that happens when atoms share pairs of electron | covalent bond |
| substance with only one kind of atom | element |
| classification system of elements | periodic table of elements |
| an atom that gains or loses electrons | an ion |
| smallest piece of an element | an atom |
| atom smashing machine | particle accelator |
| a group of atoms joined together chemically | molecules |
| what is chemistry the study of? | Matter |
| What is the approximate number of the atomic mass? | protons and neutrons |
| Electrons travel around the nucleus of an atom in a space called what? | shell |
| the atomic number is based on the number of what an element has? | protons |
| Who is the russian chemist who is responsible for developing a way to organize elements? | Mendeleev |
| What theory is what scientist think about atoms? | atomic |
| What makes it easier for scientist from all over the world to communicate about elements? | Chemical symbols |
| What is the combination of gases hydrogen and oxygen make? | Water |
| In the periodic table of elements, the name of the element, its chemical symbol, and what else can be found? | atomic number |
| coumpounds are molecules,but are molecules always compounds? | No |
| Why do scientist use chemical symbols? | It is quicker and easier to write. |
Created by:
Shanetta Cummings