NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The atomic weight is equal to the sum of
A
neutrons.
B
protons and neutrons.
C
neutrons and electrons.
D
electrons.
Explanation: 

Detailed explanation-1: -The mass number of an atom is the sum of the number of protons and number of neutrons in an atom.

Detailed explanation-2: -Atomic Structure Protons are positively charged particles, weighing 1 atomic mass unit (1.67x10-24 grams) and located in the nucleus. Neutrons are neutrally charged particles, weighing approximately 1 atomic mass unit and located in the nucleus.

There is 1 question to complete.