Criado por phezzas914
quase 11 anos atrás
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Questão | Responda |
What are ions? | Electrically charged particles formed when atoms lose or gain electrons. |
What ions do metal atoms form? | Positive. |
What ions do non-metals form? | Negative. |
What are the strong electrostatic forces of attraction between oppositely charged ions called? | Ionic bonds. |
What does the loss or gain of electrons do to the atoms? | It completes the highest energy level. |
What happens when metals ionize? | They lose electron(s) and become positively charged ions. |
What happens when non-metals ionize? | They gain electrons from other atoms and become negatively charged. |
How do you work out how many charges are on an ion formed by a metal? | It's equal to the group number of the metal. |
How do you work out how many charges are on an ion formed by a non-metal? | It's equal to the group number minus eight. |
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