1. The mass of a proton is approximately equal to the mass of

A) an alpha particle C) a positron

B) a beta particle D) a neutron

Which of the following properties of soil is most dependent on soil moisture? a. horizonation b. consistency c. cation-exchange capacity d. soil reaction

Using the information provided in the chart determine which of these would have the highest pOH level?

Convert. 006 km into cm

A sample of 0.3283 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and treated with an excess of AgNO3. If the mass of the AgBr precipitate that forms is 0.

Which allotrope of carbon was discovered most recently (so its uses are fairly unknown) ? a. graphite b. diamond c. fullerene d. coal

Which of the molecules represented below contains carbon with sp2 hybridization? (A) CH4 (B) CH2Cl2 (C) C2H6 (D) C2H2Cl2 (E) C2H4Cl2

Why is butanone achiral?

How would global warming change the water cycle and the climate around bodies of water, like oceans and lakes? A) Warmer temperatures would cause in a drier, hotter climate. B) Warmer temperatures would cause more precipitation and less run-off.

What is a pencil made of

How do convection currents cause the motion of tectonic plate