The mass number of an element is equal to
a. the total number of electrons.
b. the sum of the protons and neutrons.
c. less than twice the atomic number.
d. a constant number for the lighter elements.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Sugar is dissolved in water. which is the solute? sugar neither both water