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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
How is the chemical symbol for an element typically derived?
It's a random letter.
From its atomic mass.
From its name, often the first letter or first two letters.
From its discovery date.
Which of the following elements has the symbol 'C'?
Copper.
Chlorine.
Calcium.
Carbon.
What is the chemical symbol for Sodium?
Na.
Ni.
Sd.
So.
__ is made up of two or more elements that are not chemically combined.
Element
Mixture
Atom
Compound
What is the correct formula for Potassium Nitrate, given Potassium (Valency 1) and Nitrate radical (Valency 1)?
K₂NO₃.
KNO₃.
K(NO₃)₂.
K₁NO₃.
