GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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protons & neutrons
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protons & electrons
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electrons & neutrons
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None of the above
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Detailed explanation-1: -The nucleus (or center) of an atom is made up of protons and neutrons.
Detailed explanation-2: -Atomic nuclei consist of electrically positive protons and electrically neutral neutrons. These are held together by the strongest known fundamental force, called the strong force.
Detailed explanation-3: -Protons and neutrons are present inside the nucleus of an atom while electrons revolve around circular orbits.
Detailed explanation-4: -A helium nucleus has two protons and two neutrons.
Detailed explanation-5: -A proton is one of three main particles that make up the atom. Protons are found in the nucleus of the atom. This is a tiny, dense region at the center of the atom. Protons have a positive electrical charge of one (+1) and a mass of 1 atomic mass unit (amu), which is about 1.67×10−27 kilograms.