Mass Number

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Mass Number

Description

Overview

An atom consists of three subatomic particles namely electrons, protons and neutrons. The mass number of an atom is the sum of the number of protons and the number of neutrons in the nucleus.

Learning objectives

After completing this module, you will be able to:
 - Define mass number.
 - Describe mass number of first 20 elements in the periodic table.
 - Calculate mass number by the use of number of protons and number of neutrons.
Keywords
Atom Periodi Table Of Elements Bohr's Atomic Model

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Free VR Apps

Meta Data

Controller Required Yes
Languages English - US English - UK 中文 عربى Français
Domain K-12
Topic Code MS200296
Devices Google Cardboard Google Daydream Samsung Gear VR Oculus Go Pico EduPro