Burritt743
Answered

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Which element has chemical properties that are most similar to those of calcium?
(1) Co (3) N
(2) K (4) Sr

Sagot :

lulu1991
I think the answer is (1) Co. Because the element of Cobalt also has 2 electrons at the outer layer which is the same as Calcium. And the outer layer is an important factor which can affect the property of an element.

Answer:the answer is 4)Sr I researched it

Explanation:

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