Its <span>c.chromatography is the process of separating solutions on the basis of their boiling points </span>
Explanation:
The answer is halogens
Halogens are reactive non metallic elements that form strongly acidic compounds with Hydrogen to form simple salts
The d-block elements are found in groups 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 of the periodic table.
So your answer is A) Transition metals
Answer:
C
Explanation:
Since Moles=mass/molar mass
Mass=432g
Molar mass=261g/mol
Moles=1.65mol
Answer:
This one represents calcium atoms that have lost two electrons >>Ca+2