STEM 1

This is the official abbreviation for which element?

W

• Iron

• Tin

• Tungsten

• Lead

This is the official abbreviation for which element?

Au

• Gold

• Silver

• Arsenic

• Copper

This is the official abbreviation for which element?

Zn

• Zirconium

• Tin

• Sodium

• Zinc

What's the official abbreviation for this element?

Uranium

• U

• Ur

• Un

• Ui

Which of these elements is a gas at room temperature?

• Chromium

• Chlorine

• Calcium

• Curium

Which of these elements is a solid at room temperature?

• Mercury

• Argon

• Oxygen

• Selenium

Which of these elements is a gas at room temperature?

• Hydrogen

• Holmium

• Hassium

• Hafnium

Which of these elements is a gas at room temperature?

• Rhodium

• Radium

• Radon

• Rhenium

What element from the periodic table is described here?

Atomic no. 9: Extremely reactive, poisonous and yellowish gas that is the lightest halogen and used in toothpaste and to enrich uranium for nuclear weapons.

• Boron

• Fluorine

• Neon

• Phosphorus

What element from the periodic table is described here?

Atomic no. 30: Common blue-silvery and slightly brittle metal mostly used for galvanizing and batteries, and to a lesser degree in brass objects and coins.

• Cobalt

• Chromium

• Scandium

• Zinc