A. Would be the correct answer :-)
Answer: A. Cilla Is Correct.
Could you show the characteristics?
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7
Answer:
The elements are in the same column/group IIA.
See the explanation below, please.
Explanation:
The elements Calcium, Strontium, Beryllium, Magnesium, Barium and Radio, belong to the group of alkaline earth metals located in group IIA of the periodic table, they require 2 electrons to complete their octet (they have 2 valence electrons). reagents than alkali metals.
