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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
5/70 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Periodic table - Families of elements and Relative reactivity
What is the common name for the elements in Group 18 of the periodic table?
Alkali Metals.
Halogens.
Noble Gases.
Alkaline Earth Metals.
The first 20 elements of the periodic table cover how many periods?
4 periods.
5 periods.
6 periods.
3 periods.
The most common state of matter for elements in Group 18 (Noble Gases) at standard temperature and pressure is:
Liquid.
Solid.
Plasma.
Gas.
Among the first 20 elements, which is the most reactive non-metal (excluding noble gases)?
Oxygen.
Chlorine.
Nitrogen.
Fluorine.
Which of the following is a characteristic property of metals?
Good conductor of electricity and heat.
Dull appearance.
Brittle.
Low melting points.
