A scientist has compiled the table below to show the composition of an unknown atom.
(252)
18-20
Number of
Number of
Number of
Protons
Neutrons
Electrons
15
16
15
(1 point)
Sulfur
Silicon
Nitrogen
Phosphorus
1 answer
Based on the composition of the unknown atom in the table, it can be identified as Nitrogen. Nitrogen has an atomic number of 7, which corresponds to the number of protons in the atom. Additionally, the number of neutrons in the atom is 8, which can be calculated by subtracting the atomic number from the total number of protons and neutrons (15 - 7 = 8). Lastly, the number of electrons in the atom is also 7, as it is equal to the number of protons in a neutral atom. Therefore, the unknown atom in the table is Nitrogen.
1 answer