The factor 10-3 corresponds to which prefix? A) deka B) deci ...

[mspears3]

The factor 10-3 corresponds to which prefix?
 
  A) deka
  B) deci
  C) milli
  D) centi

Question 2

Place the following in order of increasing radius. Ca2+ S2 Cl
 
  A) Ca2 < Cl < S2-
  B) Cl < Ca2 < S2
  C) S2 < Cl < Ca2
  D) Ca2 < S2 < Cl
  E) Cl < S2 < Ca2

Question 3

Combustion analysis of 63.8 mg of a C, H and O containing compound produced 145.0 mg of CO2 and 59.38 mg of H2O. What is the empirical formula for the compound?
 
  A) C5H2O
  B) CHO
  C) C3H6O
  D) C3H7O
  E) C6HO3

[mammy1697]

Answer to Question 1

C

Answer to Question 2

A

Answer to Question 3

C

[mspears3]

Both answers were spot on, thank you once again

[mammy1697]

Great! Please up vote