Why is helium less reactive than hydrogen?
A. Each helium atom has a full valence electron she...
Why is helium less reactive than hydrogen?
A. Each helium atom has a full valence electron shell, but each hydrogen atom only has
one valence electron.
B.
Each helium atom has four neutrons, but each hydrogen atom only has one neutron.
Each helium atom has a full protonic power level, but each hydrogen atom only has
one proton.
D.
Each helium atom has two electron energy levels, but each hydrogen atom only has
one electron energy level.
Answers: 3
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
Chemistry, 22.06.2019 13:30
What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves
Answers: 1
Chemistry, 22.06.2019 16:20
When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa
Answers: 1
History, 13.04.2020 20:43
History, 13.04.2020 20:43
History, 13.04.2020 20:43
Mathematics, 13.04.2020 20:44
History, 13.04.2020 20:44
Mathematics, 13.04.2020 20:44