Question

More than one correct answer type question :
Among the following the elements containing atomic number more than magnesium
a) Ne
b) C
c) Al
d) Ca​

Answer 1

Answer:

both C and D

Explanation:

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Answer 2

Answer:

The answer is (b) Calcium

Explanation:

Newland’s law of octaves applied to the elements with atomic mass up to 40 da which comes up to Calcium. After calcium, every eighth element possess properties similar to that of the first.