Elements on the Periodic Table

Question 1

Which element has the atomic number 8?

Accepted Answer

Oxygen

Question 2

Which is the element is the most common metal on Earth?

Accepted Answer

Iron

Question 3

Which element is the most common metal in the Earth's crust?

Accepted Answer

Aluminum

Question 4

Which element is used in barometers?

Accepted Answer

Mercury

Question 5

Which element is the lightest noble gas?

Accepted Answer

Helium

Question 6

Which element is referred to in the ancient world and the Bible as "brimstone"?

Accepted Answer

Sulfur

Question 7

Which element is the metal with the highest electronegativity and electron affinity?

Accepted Answer

Gold

Question 8

Which element was originally called “dephlogisticated air" by one of its discoverers?

Accepted Answer

Oxygen

Question 9

The oxygen found in the ozone exists in which form?

Accepted Answer

triatomic form (O3)

Question 10

The effects of which element, used in hat-making, led to the phrase "mad as a hatter"?

Accepted Answer

Mercury

Question 11

Which element is the most abundant element in the universe?

Accepted Answer

Hydrogen

Question 12

Which element is found in all organic compounds?

Accepted Answer

Carbon

Question 13

Which element is the most abundant in the Earth's atmosphere?

Accepted Answer

Nitrogen

Question 14

A diamond is a natural isotope of which element?

Accepted Answer

Carbon

Question 15

Which element was first labelled "noxious air" by Daniel Rutherford?

Accepted Answer

Nitrogen

Questions 15