EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of these is an element
A
Sugar
B
Sodium Hexafluoride
C
Helium
D
Einstien
Explanation: 

Detailed explanation-1: -What type of element is helium? Helium (He), chemical element, Group 18 inert gas (noble gases) of the periodic table.

Detailed explanation-2: -Helium (from Greek: , romanized: helios, lit. ‘sun’) is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.

Detailed explanation-3: -helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table.

Detailed explanation-4: -Helium is a chemical element. Its official symbol is He, and its atomic number is 2, which means it has two protons in its nucleus. Helium was named after Helios – the Greek Titan of the Sun – because it was first observed when analysing sunlight during a solar eclipse in 1868.

Detailed explanation-5: -Helium is the second element on the periodic table. It is a colourless and odourless gas yet it has a number of uses, some of which may surprise you! Helium gas is literally ‘lighter-than-air’ due to its extremely low density, which explains its most well-known use; decorative balloons.

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