Thallium (Tl) has one more proton then Mercury (Hg), mercury has 79 protons, Thallium has 80 protons.
Chlorine, with the atomic number 17 has one less proton than argon, with the atomic number 18
Zinc.
Gold or Au
Boron
Zinc
Chlorine, with the atomic number 17 has one less proton than argon, with the atomic number 18. The atomic number is the number of protons.
Boron.
Platinum
A proton (or anti-proton).
zinc
Chlorine, with the atomic number 17 has one less proton than argon, with the atomic number 18. The atomic number is the number of protons.
maybe proton
k
Boron.
Platinum(Pt) has 78 protons. Gold(Au) has 79 protons
This chemical element is calcium (Ca).
Be is in the s block too. Li has one less proton than Be.
A proton (or anti-proton).
Platinum
Argon is a little less than 1% of the air.
Chlorine
an electron has way less mass than a proton.