Respuesta :
Answer:
The atom is a nitrogen atom and the mass of the atom is 14.0067 u.
An atom with seven protons, seven neutrons, and eight electrons has a mass of 14 g.
What is an atom?
Atoms are made up of protons, neutrons, and electrons. Each element has an atomic number that corresponds to the number of protons in its nucleus.
Given that,
- Number of protons is 7.
- Number of neutrons is 7.
- Number of electrons is 8.
The mass number of an atom is the sum of its atomic number and neutron number.
Mass number = number of neutron + atomic number
As the atomic number of an element will be equal to the number of protons of such elements, so in this case,
- Mass number = 7 + 7
- Mass number = 14 g
Thus, the mass of an atom with seven protons, seven neutrons, and eight electrons is 14 g
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