How many moles of Na2CO3 are needed to make 3.5 L of 3.0M solution? 0.85 mol
1.16 mol
10.5 mol
62 mol

56 moles of   lieter in chemistry

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8