Answer:
a and d
Explanation:
a bromine and the calcium atom loses two elections
Barium is an element that is primarily used in fireworks because of its distinct green colour while on the other hand, lead is used in electrical industries due to its unique properties. The ions of these elements can simply be identified when its insoluble salts get precipitated by any process.
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Answer:
I think the answer is true, sorry if I am wrong
Explanation:
