How many protons, neutrons, and electrons does hydrogen have?

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Protons: 1

Neutrons: 0

Electrons: 1

Nov 5 at 14:20

H1 - 1p + 0n

H2 - 1p + 1n

H3 - 1p + 2n

H4 - 1p + 3n

H5 - 1p + 4n

H6 - 1p + 5n

H7 - 1p + 6n

Nov 5 at 18:6

ONE proton and ONE electron and NO neutron

Nov 5 at 22:15




Nov 6 at 2:47

Generally, your regular speaking hydrogen has 1 electron, 1 proton and no neutrons. Then again, hydrogen doesn't speak, and there are isotopes and ions of hydrogen.

Nov 6 at 7:42

LOL. Which isotope? It is so silly to ask questions like this because there are three isotopes of hydrogen and each has a different number of neutrons. The most common form of hydrogen has 1 proton and 1 electron, and no neutrons. Deuterium is hydrogen with 1 neutron and tritium is hydrogen with two neutrons.

============== Follow up ================

Clearly, Pradheer has missed the isotope boat. And so have a couple more of your respondants. Read this:…

You're quite welcome. Nevertheless, you can't ask about the number of neutrons without specifying which isotope you're asking about. That's the entire concept behind "isotopes". Every different isotope of an element has a different number of neutrons. You simply can't say "What's the number of neutrons in hydrogen?" unless you specify which isotope of hydrogen.

Nov 6 at 13:0

1 proton, 0 neutrons and 1 electron. Looking at the periodic table you can see that it weighs approximately 1 AMU and has an atomic number of one. The number of neutrons tends to be the atomic mass - atomic number. 1 - 1 = 0 so hydrogen has no neutrons. All elements have an equal number of protons and neutrons, so the atomic number is also the number of electrons.

Nov 6 at 18:42