Which term is defined as the sum of protons and neutrons in an atomic number?

a) charge number

b) mass number

c) atomic number

d) balance number

A student adds solid KCl to water in a flask. The flask is sealed with a stopper and thoroughly shaken until no more solid KCl dissolves. Some solid KCl is still visible in the flask.

How solar cookers are useful to society by doing one of the following

True or false after a volcanic eruption it is nearly impossible for plant life to grow due to poor soil

Identify the limiting reactant in the reaction of bromine and chlorine to form BrCl, if 29.7 g of Br2 and 11.2 g of Cl2 are combined. Determine the amount (in grams) of excess reactant that remains after the reaction is complete.

What does continental drift and sea floor spreading have in common

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum

At 100 degrees c, water reacts with acetic anhydride to make acetic acid. also, at 100 degrees c, water reacts with acetylsalicylic acid and reverts it to salicylic acid and acetic acid.

What is the valence electron configuration of the group 2a elements?

Which of the following statements about monosaccharide structure is true? A) Aldoses and ketoses differ in the position of their hydroxyl groups. B) Monosaccharides can be classified according to the spatial arrangement of their atoms.