Question

a metal that produces crimson light
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Answer 1

Answer:

Strontium, yttrium, radium, cadmium

Answer 2

The energy of the flame is sufficient to excite the elements to higher energy level.Hence,the elements emit energy and come back to original energy levels.This emitted energy falls in the visible region.

strontium ion - crimson red

calcium ion - brick red

barium ion - pale green

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