Write the name and symbol of the
element from the description
The atom having the smallest size
Answers
Answered by
3
Answer:
Atomic mass is the mass of an atom. It is equal to the sum of the individual particle masses of protons, neutrons and electrons of an element. Hydrogen (H) is the element with the smallest atomic mass. It consists of one proton and one electron.
Answered by
2
Answer:
helium (He)
Explanation:
The force between the two protons and two electrons pull the electron shell closer than hydrogen
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