Question

34

SE
selenium
78.94

How many protons (atomic number) does the element shown contain in each of its atoms?


A)
68

B)
34

C)
17

D)
78.94

Answer 1

Answer .B.34
34
SE
Atomic number=number of protons
34 is the atomic number which makes 34 the number of protons in the atom of the element