The following best describes a neutron: c. It is found in the nucleus.
Further explanation
An atom is the smallest material consisting of a nucleus, which contains protons, neutrons, and electrons that surround it
Protons are positively charged (+1), electrons are negatively charged (-1). and neutrons are uncharged (neutral)
The Atomic Number (Z) indicates the number of protons in an atom of an element.
The mass of each basic particle :
- electron mass = 9.11.10⁻²⁸ grams
- proton mass = 1.6726.10⁻²⁴ grams
- neutron mass = 1,675.10⁻²⁴ grams
Atomic number = number of protons = number of electrons
Mass Number (A) is the sum of protons and neutrons
Mass Number (A) = Number of protons Number of Neutrons
Let's look at the answer choices :
- a. It has a negative charge.
neutrons have a neutral charge
- b. Its mass is much greater than the proton.
neutron mass = 1,675.10⁻²⁴ grams and proton mass = 1.6726.10⁻²⁴ grams
, so the masses of the two are almost the same
- c. It is found in the nucleus.
electrons circulate around the nucleus, proton+neutron in the nucleus
d. the number of neutrons is called the mass number.
Mass Number is the sum of protons and neutrons
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