Basic Hydrogen Quiz

by Sankalan Baidya

Hydrogen is a very vital element. We hear about the element every now and then. The question is, “just how well do you know about the element?”

Can you answer simple questions about Hydrogen? It is about time you find out the extent of your knowledge…

The element Hydrogen takes which place on the Periodic Table?

Correct! Wrong!

Hydrogen takes the first position on the Periodic Table with atomic number 1 and standard atomic mass of 1.008.

Hydrogen is the lightest element known to human beings.

Correct! Wrong!

Yes, Hydrogen is the lightest known element to human beings.

Protium the commonest isotope of Hydrogen has how many Protons and how many Neutrons?

Correct! Wrong!

Protium has only 1 Proton. There are no Neutrons at all.

Hydrogen is the most abundant element in entire universe. What percentage of total mass of the universe if made of Hydrogen?

Correct! Wrong!

Hydrogen is the most abundant element in the entire universe. It makes up 75% or 3/4th of all mass of the universe.

Hydrogen is the most abundant element found in Earth’s crust.

Correct! Wrong!

False! Hydrogen is the most abundant element in the entire universe but in Earth’s crust, Oxygen is the most abundant element. 46.6% of mass of Earth is made of Oxygen.

Human body has more Hydrogen atoms compared to any other element. So, Hydrogen is the most abundant element in the human body by mass.

Correct! Wrong!

No, Hydrogen is not the most abundant element in human by mass. Oxygen is. Oxygen makes up 65% of the total mass of a human body. Carbon takes the second spot by making up 18% of the mass of a human body. Hydrogen makes up only 10% of the total mass of human body despite the fact that human body has more Hydrogen atoms compared to any other element. The reason is simple. Hydrogen atoms are so less mass that adding up the mass of all the atoms makes only 10% of the total mass of human body.

When was first atomic Hydrogen formed after Big Bang?

Correct! Wrong!

The first universal atomic Hydrogen formed during Recombination Epoch after the Big Bang. It happened approximately 379,000 years after the Big Bang when charged protons and electrons became electronically bound for the first time to produce hydrogen atoms that were electrically neutral.

Hydrogen is a monoatomic gas.

Correct! Wrong!

Hydrogen is a diatomic gas at standard temperature and pressure (a set of conditions used for experimental measurements).

What is the molecular formula of Hydrogen?

Correct! Wrong!

The molecular formula of Hydrogen is H2. The numeral 2 represents that the element is diatomic at standard temperature and pressure.

What is the most efficient method of industrial production of Hydrogen?

Correct! Wrong!

Steam reformation of natural gas is the most efficient method of producing Hydrogen industrially. Electrolysis of water is also used but being very energy-intensive, the method electrolysis is not a widely used method.

When was Hydrogen gas produced artificially for the first time?

Correct! Wrong!

The first artificial production of Hydrogen gas took place during the 16th century by reaction of acids on metals.

Who was the first person to figure out that Hydrogen was a discrete substance?

Correct! Wrong!

It was Henry Cavendish who first figured out that Hydrogen gas was a discrete substance and that when it is burned, it produces water.

Most of the Hydrogen that is found on Earth is present in which form?

Correct! Wrong!

Most of the Hydrogen found on Earth is present in molecular form. It is mostly present either in form of water or in form of organic compounds.

Hydrogen atom is the only neutral atom for which one can analytically solve the Schrödinger equation.

Correct! Wrong!

Yes, it is true! It is because of this reason that the study of bonding and energetics of Hydrogen atom has played a very important role in the development of Quantum Mechanics.

How many different phases of Hydrogen are present?

Correct! Wrong!

There are in total 5 different phases of Hydrogen. They are Gaseous Hydrogen, Liquid Hydrogen, Slush Hydrogen, Solid Hydrogen and Metallic Hydrogen.

In which phase does Hydrogen behave like an electrical conductor?

Correct! Wrong!

Hydrogen behaves like an electrical conductor in its metallic phase.

How many stable isotopes does Hydrogen have that occur naturally?

Correct! Wrong!

There are three naturally occurring stable isotopes of Hydrogen. They are Protium, Deuterium and Tritium.

What was the name given to Hydrogen by Henry Cavendish?

Correct! Wrong!

The name given to Hydrogen by Henry Cavendish was Inflammable Air. He also speculated that the Inflammable Air is identical to Phlogiston - the hypothetical substance.

Who came up with the name Hydrogen?

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It was Antoine Lavoisier who came up with the name Hydrogen after he and Laplace successfully reproduced the findings of Cavendish that when Hydrogen is burned, it produces water.

What percentage of atoms in the entire universe is Hydrogen atoms?

Correct! Wrong!

Hydrogen atoms make up more than 90% of all atoms present in the whole universe.

Basic Quiz on Hydrogen
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