Which of the following scientists contributed to the development ...

[corkyiscool3328]

Which of the following scientists contributed to the development of the periodic table of elements?
 
  A) J. W. Dbereiner
  B) Dmitri Mendeleev
  C) H. G. J. Moseley
  D) J. A. R. Newlands
  E) all of the above

Question 2

What is the oxidation state of iron in K3Fe(CN)6?
 
  A) 0
  B) +2
  C) +3
  D) +4
  E) +6

Question 3

In a survey by the American Chemical Society, how did entering college students rate chemistry in their daily lives?
 
  A) highly relevant
  B) moderately relevant
  C) somewhat relevant
  D) rarely relevant
  E) irrelevant

[nicoleclaire22]

Answer to Question 1

E

Answer to Question 2

C

Answer to Question 3

A

[corkyiscool3328]

Wow, this really help

[parker125]

Excellent