Which group of elements are mostly solids that can be shiny and are often thermally or electrically conductive, and can be shaped?

• Metals

• Noble gases

• Semi-conductors

• Non-metals

This element is a gas used to make colourful signs, and is very unreactive

• Hydrogen

• Oxygen

• Neon

• Xenon

Gold is... (tick all the things that are true about gold)

• A metal

• Unreactive and often found just as it is

• Easily shaped

• Usually a gas

• Easily polished and shined

Hydrogen is a very light, explosive gas, and the first element on the periodic table

• True

• False

Nitrogen is a gas that makes up 78% of our atmosphere

• True

• False

This element is a metal that is liquid at room temperature and is poisonous to humans. Despite that, it was used in thermometers.

• Carbon

• Chlorine

• Mercury

• Boron

This element is a metal that forms an important part of our bones and teeth.

• Calcium

• Sulfur

• Helium

• Nitrogen

Which group of elements are extremely reactive gases? One is used to etch glass, one is used to sterilise things, and one is used to treat water.

• Noble gases (helium, neon, xenon)

• Halogen gases (chlorine, fluorine, iodine)

• Alkali earth metals (beryllium, magnesium, calcium)

The human body is entirely organic (based on carbon) and doesn't need any metals to function

• True

• False

Oxygen is... (tick all that are true)

• A gas

• Essential for fire reactions

• A shiny metal

• Reactive