Which of the following sets of elements have the same number of valence electrons?
P, S, Cl because they are in the same period
B, Al, Ga because they are in the same group
Na, Ca, Ba because they are in the first two groups
Ag, Cd, Ar because they are transition elements and a noble gas
Answers: 1
Chemistry, 21.06.2019 19:10
Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
Answers: 1
Chemistry, 22.06.2019 04:00
How do scientists think that gravity affected the formation of our solar system?
Answers: 1
Chemistry, 22.06.2019 05:30
Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases
Answers: 2
Chemistry, 22.06.2019 20:00
I’m an electrically neutral atomic any element, there are equal numbers of
Answers: 2
Which of the following sets of elements have the same number of valence electrons?
P, S, Cl because...
English, 25.11.2021 14:10
English, 25.11.2021 14:10
Social Studies, 25.11.2021 14:10
Mathematics, 25.11.2021 14:10
Mathematics, 25.11.2021 14:10
Computers and Technology, 25.11.2021 14:10
Mathematics, 25.11.2021 14:10
Computers and Technology, 25.11.2021 14:10
Mathematics, 25.11.2021 14:10