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Chemistry Topic 2
Atoms,bonds,groups
Question | Answer |
---|---|
What is a definition of ionic bond? | It is the electrostatic attraction between oppositely charged ions. |
Definition of covalent bond? | It is a bond formed by a shared pair of electrons. |
Definition of metallic bond? | It is the electrostatic attraction between positive metal ions and delocalised ions. |
Elements of group 7 are called... | Halogens |
Group 2 elements are ... | Alkalines |