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laila [671]
3 years ago
6

Elements that are usually dull, brittle and do not conduct electricity are know as______.

Chemistry
1 answer:
Anton [14]3 years ago
8 0

Answer:

nonmetal

Explanation:

.........

...

.

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The electron affinity of an element is positive if energy is absorbed during the process of accepting an electron and negative i
julsineya [31]

Answer:

See explanation

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For the last case; Br(g)+ 1e^- → Br^-(g), the electron affinity for the non-metals is negative. hence the answer

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