Question

Which element would be the least similar to magnesium (Mg)?

A) Na
B) Sr
C) Be
D) Ca

Answer 1

Answer:

NA

Explanation:

the other three options are alkali earth metals like magnesium (they are all in group 2). Sodium is the only one that is not an alkali earth metal.

Answer 2

The $Na$ element would be the least similar to magnesium ($Mg$ ).

• Because all elements belongs to same group as magnesium except sodium.

Why elements belong to same group are similar?

• The vertical row in the periodic table is called group.

• The elements in the same group shows similar properties because the number of valence electrons is same for elements in same group.

What is valence electron?

The electron/electrons present in valence shell is called valence electrons.

To learn more about periodic table,

https://brainly.com/question/11155928

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