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Chemistry- elements
Elements and the mole
Question | Answer |
---|---|
every element is made up from very small particles called what? | Atoms |
the atom has a nucleus. Which contains what? | protons and neutrons. With electrons moving around the outside of the nucleus. |
an atom is neutral because? | the number of protons and neutrons are equal. |
protons have the charge of what? | one positive |
neutrons have a charge of? | neutrons are neutral |
electrons have a charge of? | one negative. |
protons ha |