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Revise smart, understand Better

ENERGY: Action of electricity on materials
ENERGY: Action of heat on materials
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Reactions And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Symbols, Formulae And Valency
MATTER - PROPERTIES AND TRANSFORMATION: Effect Of Heat On Substances
MATTER - PROPERTIES AND TRANSFORMATION: Introduction To Chemistry - Symbols
MATTER - PROPERTIES AND TRANSFORMATION: Mixtures And Pure Substances
MATTER - PROPERTIES AND TRANSFORMATION: Periodic table - Families of elements and Relative reactivity
MATTER - PROPERTIES AND TRANSFORMATION: Reaction With Oxygen of air
MATTER - PROPERTIES AND TRANSFORMATION: The Atom And Sub-Atomic Particles

5/65 MCQs for:

MATTER - PROPERTIES AND TRANSFORMATION: The Atom And Sub-Atomic Particles

An element with an electronic configuration of 2, 2 belongs to which group?

Group 8.

Group 2.

Group 12.

Group 4.

Which subatomic particles are found in the nucleus of an atom?

Only electrons.

Electrons and protons.

Protons and neutrons.

Only neutrons.

How many electrons are present in a neutral atom with an atomic number of 17?

18.

35.

17.

0.

Electrons were discovered by?

J.J. Thomson.

Sir William Crookes.

James Chadwick.

Ernest Rutherford.

Which particle in atoms is very important in the chemical combination of atoms?

Nucleus.

Proton.

Electron.

Neutron.