SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The ____ is the sum of the protons and the neutrons in an atom.
|
|
Atomic Number
|
|
|
Mass Number
|
|
|
Protons
|
|
|
Neutrons
|
Explanation:
Detailed explanation-1: -An element’s mass number (A) is the sum of the number of protons and the number of neutrons. The small contribution of mass from electrons is disregarded in calculating the mass number.
Detailed explanation-2: -The mass number is the sum of the number of protons and the number of neutrons in an atom.
Detailed explanation-3: -The mass number of an atom is the sum of the number of protons and number of neutrons in an atom.
There is 1 question to complete.