The atomic number of an element is the total number of which particles in the nucleus?

a. neutronsc. electronsb. protons

A high concentration of hydrogen ions means a solution of what? A. very acidic B. very basic C. neutral D. neither acidic or basic

What is the empirical formula of C6H18O3? CH3O C2H5O C2H6O C2H5O5

How many grams are in 7.8 mol of ZnS04?

Which of the following is not a definition of an acid? A substance that increases the hydroxide ion concentration of a solution A hydrogen ion donor in a reaction A substance that increases the hydronium ion concentration of a solution An

The gain of electrons by the chlorine atoms forms the __ ion

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)

What is the molecular geometry, or shape, of beryllium chloride (becl2) ?

What is the best category for nf3? 1. amphoteric ion 2. lewis acid 3. salt 4. bronsted-lowry acid 5. arrhenius acid 6. arrhenius base 7. lewis base 8. weak electrolyte?

100 g = ___hg for science