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Answers on questions: Chemistry
- M Mathematics A coin is flipped and a normal dice is rolled a) what is the probability of getting a five and a tail...
- E English Aaron wrote the following claim statement for his literary and a list of the novel around the world in eighty days by Jules Verne. Aaron wrote the following claim statement...
Ответ:
Would lve to but sry can’t
Explanation:
Ответ:
Ответ:
B. It has a central nucleus composed of 29 protons and 35 neutrons,
surrounded by an electron cloud containing 29 electrons.
Explanation:
Protons and neutrons are the only subatomic particles with mass, and they are located in the nucleus. If this atom has an atomic number of 29 and is copper, it must have 29 protons (protons define which element is being observed). This means all remaining mass is from neutrons. 64-29 = 35.
Electrons have no mass and orbit the nucleus in the electron cloud. Since this copper atom is neutral (we are not told it has a charge), there must be an equal number of protons and electrons.