PATHOLOGY

PATHOLOGY MCQ

URINARY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Calcium is represented by what symbol on the periodic table?
A
ca
B
CA
C
Ca
D
cA
Explanation: 

Detailed explanation-1: -Calcium is a chemical element with symbol Ca and atomic number 20.

Detailed explanation-2: -Reason (R) : Eventhough carbon and calcium have ‘C’ as its initial, carbon occurs first in periodic table. So, its symbol was taken as ‘C’ and calcium symbol was taken as ‘Ca’.

Detailed explanation-3: -Calcium, symbol Ca, is an alkaline earth metal in the second column of the periodic table. Its atomic number is 20. It is in the fourth row of the periodic table, beneath magnesium.

There is 1 question to complete.