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Look at the atomic number. That will be the number of protons and electrons; subtract that number from the Atomic Mass (rounding down) and you'll have the number of neutrons.
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∙ 11y ago
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How many protons nuetrons and electrons does a helium at have?
2 protons, 2 electrons and 2 neutrons
How many protons electrons and nuetrons in Sc-45?
Sc is a 3d element. It has 21 protons and 21 electrons.
How many protons electrons and nuetrons does magnesium have?
12 , 12 , 12
How many protons electrons and nuetrons doe 41Ca plus 2 have?
Protons: 20 Electrons: 18 Neutrons: 21
How many protons and nuetrons are in helium?
The normal helium atom has two protons and two neutrons in the nucleus, and two electrons in the "shell".
How many nuetrons and protons in a nucleus?
protons and nuetrons are equal to no. of electrons present in atom
How many protons nuetrons and electrons are in argon?
Argon has 18 electrons and protons...Neutrons is 22
How many protons nuetrons and electrons does a helium at have?
2 protons, 2 electrons and 2 neutrons
How many nuetrons does titanium element have?
26 nuetrons, 22 electrons, and 22 protons
How many protons nuetrons and electrons does calcium have?
20 protons, 20 electrons, and usually 20 neutrons
How many nuetrons are in the element phosphorus?
it however has 15 protons , 15 electrons , and 16 nuetrons
How many protons nuetrons and electrons are in helium?
2 of each
How many protons and electrons does Yttrium have?
The element Yttrium has 89 protrons and 39 electrons The element Yttrium has 89 protrons and 39 electrons The elemetnt Yttrium has 39 proto The elemetnt Yttrium has 39 proto The elemetnt Yttrium has 39 proto The elemetnt Yttrium has 39 proto
How many protons electrons and nuetrons in Sc-45?
Sc is a 3d element. It has 21 protons and 21 electrons.
How many nuetrons are in zinc?
it has 35 nuetrons, 30 protons, and 30 electrons with a mass of 65
How many protons nuetrons and electrons does Xenon have?
54protons 77nuetrons and 54electrons
How many protons electrons and nuetrons does magnesium have?
12 , 12 , 12
