Question

14 multiple choice 4 points
how many protons are in the isotope sulfur - 34?
helium
2
he
4.0026
boron
5
b
10.811
carbon
6
c
12.011
nitrogen
7
n
14.007
oxygen
8
o
15.999
fluorine
9
f
18.998
neon
10
ne
20.180
aluminium
13
al
26.982
silicon
14
si
28.086
phosphorus
15
p
30.974
sulfur
16
s
32.065
chlorine
17
cl
35.453
argon
18
ar
39.948
16
34
18
32

Explanation:

Step1: Identify element sulfur in periodic table

Sulfur has atomic number 16.

Step2: Recall proton - atomic number relation

The number of protons in an atom is equal to its atomic number.

Step3: Determine protons in sulfur - 34

Since sulfur has atomic number 16, sulfur - 34 also has 16 protons.

Answer:

16