Metals
Metalloids
Non-metals
Alkali Metals
Noble Gases
100

Which metal is liquid at room temperature?

Mercury (Hg)

100

Which metalloid is used in electronics?

Silicon (Si)

100

Which non-metal is essential for respiration in humans and animals?

Oxygen (O)

100

Which alkali metal is most abundant in nature?

Sodium (Na)

100

Which noble gas is used to make balloons float?

Helium (He)

200

What is the hardest naturally occurring metal?

Chromium (Cr)

200

Which metalloid is poisonous?

Arsenic (As)

200

Which non-metal gas makes up 78% of the Earth's atmosphere?

Nitrogen (N)
200

Which alkali metal is used in batteries?

Lithium (Li)

200

Which noble gas is used in some light bulbs?

Argon (Ar)

300

What metal is most commonly used in electrical wiring?

Copper (Cu)

300

Which metalloid has the symbol Ge?

Germanium

300

Which non-metal is in table salt?

Chlorine (Cl)

300

What happens when potassium (K) touches water?

It explodes.

300

The noble gases are in what group on the periodic table?

Group 18

400

Which metal is commonly used in jewelry and has a yellow color?

Gold (Au)

400

How many metalloids are there on the periodic table?

There are 8 metalloids on the periodic table.

400

Which non-metal makes up diamonds?

Carbon (C)

400

Which alkali metal has 37 protons?

Rubidium (Rb)

400

How many protons does Xenon (Xe) have?

54 protons

500

What is the elemental symbol for Titanium?

Ti

500

Which metalloid has 52 protons?

Tellurium (Te)

500

Which non-metal in the atmosphere helps make fire burn?

Oxygen (O)

500

Which element has the symbol Fr?

Francium 

500

How many noble gases are there on the periodic table?

There are 6 noble gases on the periodic table.