In general, electron affinity decreases when moving down a group. This is due to

A decrease in atomic size

B. increase in number of electrons

C. increase in nuclear charge

D. increase in atomic size

When 1.98g of a hydrocarbon is burned in a bomb calorimeter, the temperature increases by 2.06∘C. If the heat capacity of the calorimeter is 69.

What does Alpha Radioactivity mean?

How many moles of glucose are present in 1.0 L of a 2.5 M solution of glucose in water?

It takes 157./kjmol to break a nitrogen-oxygen single bond. calculate the maximum wavelength of light for which a nitrogen-oxygen single bond could be broken by absorbing a single photon. round your answer to 3 significant digits.

Molecular or formula mass P4

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh

If log x = - 0.761. What does x equal