Question

the mass number tells the total number of________ and _________ in the nucleus of an atom. these particles collectively are called ___________ since both are located in the nucleus. site:socratic.org

Answer 1

the mass number tells the total number of a proton and neutron in the nucleus of an atom.
these particles collectively are called subatomic particles since both are located in the nucleus.

Answer 2

Answer:

The mass number tells the total number of protons and neutrons in the nucleus of an atom. these particles collectively are called nucleon since both are located in the nucleus.

Explanation:

• Because they are calculated by counting whole items, the atomic number and mass number are always whole values (protons, neutrons, and electrons).
• The mass of an atom is determined by the sum of the protons and neutrons.
• Since protons and neutrons coexist in the atom's nucleus, they are collectively referred to as nucleons.
• For instance, a carbon atom contains 6 protons and 6 neutrons. Its mass number is 12 as a result.
• All atoms of an element have the same amount of protons, although they can have different numbers of neutrons. As a result, various isotopes of the same element can have different mass values.
• An atom's mass number and atomic mass are approximately equal.

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