Question

Both Lithium and sodium shows crimson red and yellow colours on flame but Beryllium and Magnesium do not. Why? Please explain this answer briefly....... Please help......

Answer 1

Explanation:

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You actually need to reverse that reaction; Li++e−⟶Li, because the gaseous metal atom is the cause for flame colouring.

Answer 2

Answer:

beryllium and magnesium doesn't give flame test

Explanation:

this is because Be and Mg does not give flame test due to its high ionic potential.