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2 protons and 2 neutrons (an a-particle is effectively a helium atom without any electrons).
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∙ 14y ago
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How many protons neutrons and electrons in 40 Ar?
40Ar has 18 protons, 22 neutrons, and 18 electrons.
How many protons neutrons are in iridium 192?
Iridium-192 has 77 protons and 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 and neutrons does Neon-18 have?
Ten protons, ten electrons and 8 neutrons are there in Ne-18.
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?
40Ar has 18 protons, 22 neutrons, and 18 electrons.
How many protons neutrons are in iridium 192?
Iridium-192 has 77 protons and 115 neutrons.
How many protons and neutrons does a berylium atom have?
4 protons and about 5 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 in Na-20?
11 protons and 9 neutrons
How many neutrons and protons does K-40 have?
it has 21 neutrons and 19 protons
