Home » Chemistry » Atomic Structure » Question

Atomic Structure

Easy Questions
Moderate Questions

Chemistry

Nature and Composition of Substances
Atomic Structure
Radioactivity
Periodic classification of element
Chemistry in Every Day Life
Biomolecules
Hydrocarbons and Its Derivatives
Non Metals and Their Compounds
Metals and Their Compounds
Surface Chemistry
Electrolytes & Electrochemistry
Solutions
Thermodynamics and Energetics
Catalysis
Properties of Gases
Acids, Bases and Salt
Oxidation and Reduction
Chemical Bonding
Chemistry miscellaneous
  1. An atom has 7 electrons in its M-Shell and contains 18 neutrons in its nucleus. What is its mass number ?
    1. 25
    2. 27
    3. 35
    4. 43
Correct Option: C

NA


Your comments will be displayed only after manual approval.