Chemistry, asked by mashwanizindabad, 4 months ago

how many proton are present in one atom

Answers

Answered by Anonymous

3

Answer:

The number under Na is the atomic mass. The atomic mass of Na is 22.99 amu. Amu is the abbreviation for atomic mass unit. One amu, 1u, is 1/12 the mass of an atom of carbon with 6 protons and 6 neutrons.

...

Element Cu

Protons 29

Neutrons 36

Electrons 29

Mass number 65

Explanation:

Answered by namitasingh95

2

Answer:

For hydrogen, the atomic mass is 1 because there is one proton and no neutrons. For helium, it is 4: two protons and two neutrons. For most of the 16 lightest elements (up to oxygen) the number of neutrons is equal to the number of protons.

hope it helps uu dearr...❤️❣️❤️

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