Hydrogen and Calcium - Comparison - Properties

This article contains comparison of key thermal and atomic properties of hydrogen and calcium, two comparable chemical elements from the periodic table. It also contains basic descriptions and applications of both elements. Hydrogen vs Calcium.

hydrogen and calcium - comparison

Compare hydrogen with another element

Compare calcium with another element

Hydrogen and Calcium – About Elements

Hydrogen

With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.

Calcium

Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium.

Hydrogen in Periodic Table

Calcium in Periodic Table

Source: www.luciteria.com

Hydrogen and Calcium – Applications

Hydrogen

Hydrogen is versatile and can be utilized in various ways. These multiple uses can be grouped into two large categories. Hydrogen as a feedstock. A role whose importance is being recognized for decades and will continue to grow and evolve. The largest single use of hydrogen in the world is in ammonia manufacture, which consumes about two-thirds of the world’s hydrogen production. Hydrogen is versatile and can be utilized in various ways. These multiple uses can be grouped into two large categories. Hydrogen as a feedstock for further chemical processes. A role whose importance is being recognized for decades and will continue to grow and evolve. And hydrogen as an energy carrier. Hydrogen is also commonly used in power stations as a coolant in generators due to a number of favorable properties that are a direct result of its light diatomic molecules.

Calcium

The largest use of metallic calcium is in steelmaking, due to its strong chemical affinity for oxygen and sulfur. Its oxides and sulfides, once formed, give liquid lime aluminate and sulfide inclusions in steel which float out. Calcium compounds are used as manufacture of insecticides, paints, blackboard chalk, textile and fireworks.

Hydrogen and Calcium – Comparison in Table

Element	Hydrogen	Calcium
Density	0.00009 g/cm3	1.55 g/cm3
Ultimate Tensile Strength	N/A	110 MPa
Yield Strength	N/A	N/A
Young’s Modulus of Elasticity	N/A	20 GPa
Mohs Scale	N/A	1.5
Brinell Hardness	N/A	170 – 400 MPa
Vickers Hardness	N/A	N/A
Melting Point	-259.1 °C	842 °C
Boiling Point	-252.9 °C	1484 °C
Thermal Conductivity	0.1805 W/mK	200 W/mK
Thermal Expansion Coefficient	— µm/mK	22.3 µm/mK
Specific Heat	14.304 J/g K	0.63 J/g K
Heat of Fusion	0.05868 kJ/mol	8.54 kJ/mol
Heat of Vaporization	0.44936 kJ/mol	153.3 kJ/mol