victo17
victo17
05.03.2021 • 
Biology

29. Which pair of elements has the most physical and chemical properties in common? *
7
A. Hydrogen (H) and Helium (He)
B. Boron (B) and Carbon (C)
C. Neon (Ne) and Argon (Ar)
D. Sodium (Na) and Florine (F)

Solved
Show answers

Ask an AI advisor a question