Question

which of the following is a stable elements? 20Ca, 6C, 16S, 10Ne,13Al, 2He.​

Answer 1

Answer:

¹⁸Ar and ²He are very stable are they are noble gases.

Answer 2

2He, 10Ne,13Al is the following is a stable elements.

• The atoms make the element.
• The atoms are created up of the element; it is a pure substance it can't be able to split up.
• The element is created up of a single kind of atom.
• Atoms are the main thing for the creation of elements.
• Elements are classified according to their performance and physical properties.
• Elements are placed based on the performance in the Mendeleev periodic table.
• A compound combines one or more additional substances to form a new product.
• The combination of two substances or elements is equal to the mass ratio for making that product.
• It is attached firmly, and they have equal in all ways to form a combination.
• The elements both are bonded together.
• Each compound has its chemical structure; if it breaks, it can either split into two atoms or molecules or in a single.
• Different types of compounds are present.
• An intermetallic compound is made of an alloy of metallic ions.
• The ions form ionic compounds with the help of the electrostatic force.

Therefore, 2He, 10Ne,13Al is the following is a stable elements.

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