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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
5/80 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Symbols, Formulae And Valency
What is the valency of Oxygen (O) in most common compounds?
1.
2.
4.
3.
What is the correct formula for Copper(II) Phosphate, given Copper(II) (Valency 2) and Phosphate radical (Valency 3)?
Cu₂(PO₄)₃.
Cu(PO₄)₂.
Cu₃(PO₄)₂.
Cu₂PO₄.
The symbol for the element Neon is:
No.
Ne.
Ni.
N.
The symbol ‘K’ stands for
Sodium
Kromium
None is correct
Potassium
What is the chemical symbol for Sodium?
Na.
Sd.
Ni.
So.
