H2SO4 is also called
a. king of acid
b. king of chemical
c. blue vitriol
d. Antacid

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse