The atomic number is 49.
The atomic number is the same as the number of protons. So if there are 49 protons, then the atomic number of element A is 49.
-.Surface tension
d. solvent
a. B
b. D
sorry don't know them all, and sorry if my answer was a bit confusing
The answer is a, amino acids.
I believe the answer is Single Ruler, A Monarchy is rule by a King or Queen, and a Autocracy is rule by one person with Absolute Power, both a Monarchy and Autocracy are ruled by a single person. A Single Ruler. Hope you pass your Module 1 Standards Assessment!