Respuesta :
Answer:
Answer in explanation
Explanation:
a. Carbon, atomic number 6
Helium has 2 electrons. We add this to the other 4 to make 6
Other group elements: Silicon Si, Germanium Ge , Tin Sn , lead Pb , Flerovium Fl
b. Vanadium, atomic number 23
Argon has 18 electrons, we add 5 to the 18 to make 23
Other group members are: Niobium Nb, Tantalum Ta , Dubnium Db
c. Phosphorus, atomic number 15
Neon has atomic number of 10
Other group members are: Nitrogen N , Phosphorus P , Arsenic As , Antimony Sb , Bismuth Bi and Moscovium Mc
