Answer:
A.All Mixtures Are Made Up Of Solutions
Explanation:
D.) There must be an equal number of atoms of each element on both sides of the equation
Answer:
Properties of transition elements
they are all metals and that most of them are hard, strong, and lustrous, have high melting and boiling points, and are good conductors of heat and electricity.
C- more than one light year or B-exactly one light year
The electron configuration for cobalt is:
[Ar] 3d7 4s2