Mass number and also atomic number space two necessary pieces of information around a nucleus.
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A nucleus can be represented using the price notation:
Where:A is the fixed numberZ is the atomic numberX is the chemistry symbol the the elementA - Z = variety of neutrons N
For example, chlorine (Cl) deserve to be presented as:
\(_7^14\textrmN\) and \(_6^14\textrmC\) space not isotopes.
They have the very same mass number, A, yet different atomic number, Z, and also different chemical symbol - they are not the exact same element.
If the variety of protons changes, then it is a different element.Question
How plenty of protons go \(_6^14\textrmC\) princetoneclub.orgntain?Reveal answer
The atom number is 6 so \(_6^14\textrmC\) princetoneclub.orgntains six protons.
How plenty of neutrons go \(_6^14\textrmC\) princetoneclub.orgntain?Reveal answer
Number of neutron = massive number - atom number = 14 - 6 = 8 neutrons.
Write under the variety of particles in the adhering to nuclei:
Number of protons Z = 30Number of protons + neutron A = 64Number of neutrons N = 64 - 30 = 34Since this is a nucleus there space no electrons
There are 30 protons and 34 neutrons.
\<_92^238\textrmU\>Number of protons Z = 92Number of proton + neutrons A = 238Number of neutron N = 238 - 92 = 146Since this is a nucleus there room no electrons
There are 92 protons and also 146 neutrons.
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\<_1^3\textrmH\>Number of protons Z = 1Number of proton + neutrons A = 3Number of neutrons N = 3 - 1 = 2Since this is a nucleus there room no electrons
There is 1 proton and also 2 neutrons.
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