Addition of B2O3 to soda-lime glass ________. A) imparts a ...

[jace]

Addition of B2O3 to soda-lime glass ________.
 
  A) imparts a greater ability to withstand temperature change
  B) imparts a deep blue color
  C) results in a denser glass with a higher refractive index
  D) results in a glass with a lower melting point
  E) results in opaque glass

Question 2

Of the elements below, ________ is the most metallic.
 
  A) Sn
  B) P
  C) Br
  D) Rn
  E) As

[choc0chan]

Answer to Question 1

A

Answer to Question 2

A

[jace]

Gracias!

[patma1981]

Excellent