What is the density of a piece of wood that weighs 62 grams and ...

[skymedlock]

What is the density of a piece of wood that weighs 62 grams and displaces 0.525 L of water?
 
  A) 120 g/mL
  B) 0.12 g/mL
  C) 0.0080 g/mL
  D) 8.5 g/mL

Question 2

How is it possible for an element to decay forward in the periodic table--that is, to decay to an element of higher atomic number?
 
  A) When the decay is instigated by a collision with a proton.
  B) As a beta particle is released, a neutron transforms into a proton.
  C) This only occurs during nuclear fusion.
  D) It is not possible. Radioactive decay always results in an isotope with the same or lower atomic number.

[cam1229]

Answer to Question 1

B

Answer to Question 2

B

[skymedlock]

Excellent

[dantucker]

Gracias!