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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

The most common state of matter for elements in Group 18 (Noble Gases) at standard temperature and pressure is:

Liquid.

Gas.

Solid.

Plasma.

What is the common name for the elements in Group 17 of the periodic table?

Alkali Metals.

Noble Gases.

Halogens.

Alkaline Earth Metals.

As you go down a group in the periodic table, the reactivity of alkali metals:

Decreases.

Increases.

Remains the same.

First decreases then increases.

Metals are found on the ... side of the periodic table while non-metals are found on the ... side respectively.

Right, left.

Left, right.

Left, up.

Up, down.

Which element is in Period 2, Group 13?

Carbon (C).

Boron (B).

Aluminum (Al).

Silicon (Si).