Question

H2 + element: Hydride :: O2 + element:​

Answer 1

Answer:

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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 form.

Answer 2

H2 + element: Hydride :: O2 + element: