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Chlorine has a lower boiling point as it is smaller in size than bromine. Chlorine has fewer electrons than bromine and fewer electron shells so chlorine is smaller in atomic radius. Size affects the str...
18 total2,8,8(2,8,7 in chlorine atom, one more from another atom to form the negative charge and filling the third shell)
The molecular formula for water is H20. Two hydrogen atoms and one oxygen atom form a covalent bond. Hydrogen is slightly positively charged and is attracted to oxygen which is slightly negatively charged...
Because metal compounds contain delocalised electrons that are free to move about the ionic lattice that forms the metal, carrying charge.
An ionic compound in its molten or liquid form is able to conduct electricity due to the free movement of conducting metal ions that can carry charge
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