The table shows properties of the most abundant isotope of each of four silver-colored metals.
Element
Number of
Protons
Number of
Neutrons
Platinum (Pt)
78
117
Silver (Ag)
47
60
Nickel (Ni)
28
30
Tin (Sn)
50
70
Which statement best describes a trend shown in the table?
You may use the calculator.
As the number of neutrons increases, the number of electrons decreases.
As the number of protons increases, the number of neutrons decreases.
The number of neutrons is equal to the number of protons, multiplied by a constant.
Each isotope has an equal number of protons and electrons.
Number of
Electrons
78
47
28
50
