If a nucleus of an atom has 12 protons, how many electrons are there

Compare the mass of a proton to the mass of an electron.

Disadvantages of charcoal

an experiment calls for 50 ml of a 0.50M aqueous solution of a sodium bicarnonate. Work with your group to describe the steps you would use in order to make up such a solution making sure you have none left over

3. Potassium chlorate, KC103, decomposes when heated to produce potassium chloride and oxygen gas. If 6.50 grams of KClO3 were heated in a test tube, how many grams of oxygen gas should be given off?

Calculate the volume that 12.5 grams of methane gas (CH4) will occupy at a temperature of 40 C and a pressure of 1.3 atm

What's the Compound for CO?

How to measure a bag of flour

If the pH of a wine is too high, say, 4.0 or above, the wine becomes unstable and has a flat taste. (a) A certain California red wine has a pH of 3.5, and a certain Italian white wine has a pH of 2.9.

Sodium hydroxide reacts with carbon dioxide as follows: which is the limiting reactant when 1.85 mol naoh and 1.

How many molecules in n2o2 molar mass is 92.02g