An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12. The mass of any isotope of any element is expressed in relation to the carbon-12 standard. For example, one atom of helium-4 has a mass of 4.0026 amu. An atom of sulfur-32 has a mass of 31.972 amu.
4-ethyl-3-methyl 1 hexane
Answer:
Explanation:
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The answer is A because Alkaline are gases in earth's atmosphere <span />
Aluminum atomic number 13 becomes Neon with an atomic number of 10 when it loses three valence electrons.
