Chemistry
Grade-9
Easy
Question
What information does the mass number convey?
- The number of electrons and protons.
- The number of neutrons.
- The number of protons and neutrons.
- The number of protons.
Hint:
Atomic mass number = number of neutron + number of proton.
The correct answer is: The number of protons and neutrons.
- Each element is represented in the form AXZ. A is atomic mass, Z is atomic number and X represents the element
- Atomic mass number = number of neutron + number of proton.
- Mass number gives information about the number of neutrons and protons.
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