Chemistry Teacher

What is the chemical symbol for potassium?

K

What is the chemical symbol for helium?

He

The chemical symbol for ozone is what?

O3

What is the chemical symbol for salt?

NaCl

A compound that donates an electron is what?

An acid

An ion with a positive charge is known as what?

Cations

Chemical bases are also known as what?

Metallic hydroxides

Dry ice is the solid form of what compound?

Carbon dioxide

In a single molecule of water, how many hydrogen atoms are there? 

2

Liquid air presents itself as what color?

Blue

The first element in the periodic table is what?

Hydrogen

The liquid and solid forms of oxygen are what color?

Blue

The most abundent element in the Earth’s atmosphere is what?

Nitrogen

The surface of Mars is red because it contains a great deal of what?

Iron

What is the only letter which doesn’t appear on the periodic table?

J

Which of these chemical compounds is often used as a poison?

Cyanide

Which of these elements falls into the “S Block” of the periodic table?

Hydrogen

Which of these elements is heavier than air?

Oxygen

Which of these elements is liquid at room temperature?

Mercury

Who is considered the father of the periodic table?

Dmitri Mendeleev