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| Pregunta | Respuesta |
| What is atomic mass ? ♡ | The relative mass of an atom compared to the mass of a proton ♡ |
| What is a atomic number ? ♡ | The number of protons in the nucleus of an atom ♡ |
| What is a bond ? ♡ | The way atoms are joined together ♡ |
| What are compounds ? ♡ | Substances that can be split up into simpler substances ♡ |
| Do electrons have a positive or negative charge ? ♡ | Negative ♡ |
| What is a ionic substance ? ♡ | When a metal reatcs with a non-metal ♡ |
| What is a molecule ? ♡ | Two or more atoms joined together ♡ |
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