Atomic radius is one half the distance between the nuclei of two atoms of the same element. It is used to estimate the size of atoms. The following are the approximate atomic radi (in picometers) of some of the elements in Period 2 of the periodic table.
LI: 152 pm
Be: 111 pm
B: 86 pm
C: 79 pm
N: 73 pm
EXPLAIN the reason for the variation in the atomic radis of the given elements for this period,

you gotta add the following molecules so we can give u an answer

explanation:

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.