Question

Name 4 element which exist in single atom

Answer 1

Explanation:

They are also called monatomic gases, meaning that they exist, uncombined, as single atoms (mono means "one"). The formula for each of the noble gases is simply its symbol. When the formula of helium is required, the symbol He is used.

Answer 2

Answer:

Elements can be made of one atom, like He, or be elemental molecules, such as hydrogen (H2), oxygen (O2), chlorine (Cl2), ozone (O3), and sulfur (S8). Atoms are not drawn to scale. Some elements are monatomic, meaning they are made of a single (mon-) atom (-atomic) in their molecular

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