State whether the statement is True: Atoms have different isotopes and helium can exist in three different forms.

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State whether the statement is True: Atoms have different isotopes and helium can exist in three different forms.

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answer is A.

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Detailed Solution

The above statement is true.
Protons, neutrons, and electrons all make up an atom, with protons and neutrons existing inside the nucleus and electrons revolving in many orbits around the nucleus.
Nucleons are the aggregate name for protons and neutrons.
The electrons are a negatively charged entity, whereas protons are positively charged.
Protons and electrons are both present in equal amounts in a neutral atom.
The atomic number of an element is another name for the number of protons in that element.
The neutral species that gives an element its mass is called a neutron.
The number of neutrons in an element can be the same as or greater than the number of protons and electrons.
These identical atoms are referred to as isotopes of the element.
For instance, the periodic table's element hydrogen has an atomic number of 1 and a mass number of 1.
It has been discovered that some hydrogen nuclei have one neutron, which is known as the deuterium isotope with mass number 2, while others have two neutrons.
The majority of atoms contain various isotopes in varying amounts. Due to this, hydrogen has three isotopes: tritium is unstable whereas hydrogen and deuterium are stable.
In the periodic table, helium is an element with the atomic number 2 and mass number 4.
The result is that helium has two protons and two neutrons.
However, it has been discovered that a number of additional helium isotopes exist with very brief half lifetimes.
Compared to 1 and 3, they may have fewer or more neutrons.

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