How many atoms of He are in 5.69 grams?
O
3.70 x 10 23
O
3.7x10 23
O
8.57 x 10 23
O
8,6 X 10 23

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What’s the percent by mass of carbon in c10h14n2

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.