Chemistrymedium · Past Paper
What is the atomic number of Potassium?
A18
B19
C20
D39
✓ Correct Answer: B — 19
Potassium is the 19th element, located just after Argon in the periodic table.
Share this question
✓ Correct Answer: B — 19
Potassium is the 19th element, located just after Argon in the periodic table.
Share this question