Mendeleev arranged elements in the periodic table primarily in ...

[theo]

Mendeleev arranged elements in the periodic table primarily in order of their
 
  A) atomic masses.
  B) atomic weights.
  C) both atomic weights and atomic numbers.
  D) number of neutrons.

Question 2

The mass of CaCl2 that contains 17.8 g of chlorine is ________.
 
  A) 35.6 g
  B) 53.4 g
  C) 27.9 g
  D) 20.5 g

[laurnthompson]

Answer to Question 1

A

Answer to Question 2

C

[theo]

Excellent

[yeungji]

YES! Correct, THANKS for helping me on my review