Which particle is J. J. Thomson credited with discovering

electron

neutron

proton

photon

If you have one kilogram of radionuclide, how much will remain after one half-life has passed? 900 g 750 g 500 g 250 g

Emission of which type of radioactive particle (s) would change the identity of the resulting atom? alpha beta positron gamma ray (it has more than one answer

A 25.5 liter balloon holding 3.5 moles of carbon dioxide leaks. How many grams of carbon dioxide escaped before the container could be sealed if the new volume of the balloon is 15.4L?

How can density be used to identify an object?

Consider a reaction of chemicals depicted as a + b → c + d. suppose reaction of 21.8 grams of a with 40.7 grams of b gave 31.8 grams of c. however, the theoretical yield of c for this reaction was 49.9 grams.

To make a 6.50M solution, how many moles of solute will be needed if 12.0 liters of solution are required

Compound made 3 + And 3-

Based on the law of conversation of mass, how does the mass of reactants compare with the mass of products in a given reaction?

How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen

Which of the following will react violently with water to form a base?