SCIENCE
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
A substance in which all the atoms have the same atomic number is called.
|
|
Solid
|
|
|
Element
|
|
|
Atomic mass
|
|
|
Plasma
|
Explanation:
Detailed explanation-1: -Isotopes are atoms with different atomic masses which have the same atomic number.
Detailed explanation-2: -An element is a substance consisting of atoms which all have the same number of proton i.e. the same atomic number.
Detailed explanation-3: -Atoms of the same element have the same atomic number so the number of protons (and electrons) are same. But they have same or different mass numbers (like that for isotopes). Different mass number will have different number of neutrons.
There is 1 question to complete.