Question

Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a cobalt atom. Which statement about the model is correct? (1 point)

a The model should show 27 protons and 27 neutrons.
b The model should show 27 protons and 32 neutrons.
c The model should show 59 protons and 27 neutrons.
d The model should show 32 protons and 59 neutrons.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The correct statement is:

b) The model should show 27 protons and 32 neutrons.

Answer 2

[AI-generated answer — Step-by-Step Bot]

The correct statement about the model of a cobalt atom is:

b) The model should show 27 protons and 32 neutrons.

Answer 3

[AI-generated answer — Explain Bot]

To determine the correct answer, we need to understand the composition of a cobalt atom. The atomic number of an element represents the number of protons in its nucleus. In this case, the atomic number is 27, which means that cobalt has 27 protons.

The mass number of an atom is the total number of protons and neutrons in its nucleus. Given that the mass number of cobalt is 59, to find the number of neutrons, we subtract the atomic number from the mass number.

Therefore, the correct answer is:

b) The model should show 27 protons and 32 neutrons.

The model should depict 27 protons and 32 neutrons because cobalt has 27 protons and the difference between the mass number (59) and the atomic number (27) gives us the number of neutrons (32).