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The number after the "N", 15, is the mass number. The mass number is the sum of the number of protons and the number of neutrons. So, if you find a Periodic Table, you can find the atomic number, which is the same as the number of protons. Because the atomic number of nitrogen is 7, it has 7 protons. Then we take the mass number (protons + neutrons) and subtract the number of protons to find the number of neutrons. 15 - 7 = 8 neutrons in 15N.
What else can I help you with?
How many protons neutrons and electrons in 40 Ar?
18 protons 18 electrons 22 neutrons
How many protons neutrons are in iridium 192?
77 protons, 115 neutrons.
How many protons and neutrons are in boron 12?
Boron-12 has 5 protons and 7 neutrons.
How many protons neutrons and electrons are in cesium?
Cesium has 55 protons, 78 neutrons, and 55 electrons.
How many protons neutrons and electrons are in vanadium?
There are 23 electrons, 28 neutrons, and 23 protons in vanadium.
How many neutrons do protons have?
Neutrons are completely separate from protons, so neutrons do not have any protons, and protons do not have any neutrons.
How many protons are neutrons?
None -- all protons are protons, which are different from neutrons.
How many protons and neutrons does Sulfur have?
16 neutrons and 16 protons
How many protons and neutrons are in dysprosium?
there are 66 protons & 97 neutrons
How many protons neutrons and electrons in 40 Ar?
18 protons 18 electrons 22 neutrons
How many protons and neutrons does phospherus have?
Phosphorous has 15 protons and 16 neutrons.
How many protons and neutrons are in the element?
Neon has 10 protons and 9 neutrons.
How many neutrons and protons are in aluminum - 27?
13 protons and 14 neutrons
How many protons and neutrons does a berylium atom have?
4 protons and about 5 neutrons
How many protons and neutrons does carbon 12have?
6 protons, 6 neutrons
How many protons and neutrons in Na-20?
11 protons and 9 neutrons
How many protons neutrons are in iridium 192?
77 protons, 115 neutrons.
