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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
According to Bohr's model, electrons orbit the nucleus in specific paths called:
Energy levels (or shells).
Spheres.
Nucleons.
Clouds.
The atomic number (Z) of an element is defined by the number of:
Protons in the nucleus.
Electrons in the outermost shell.
Neutrons in the nucleus.
Total subatomic particles.
The total number of protons and neutrons in an atom is its:
Isotope number.
Electron number.
Mass number.
Atomic number.
How many electrons are present in a neutral atom with an atomic number of 17?
35.
0.
18.
17.
The outermost electron shell of an atom is also known as the:
Valence shell.
Inner shell.
Nucleus.
Core shell.
