What happens to atomic radius down a group?

It takes 47.0 j to raise the temperature of an 10.2 g piece of unknown metal from 13.0∘c to 24.6 ∘c. what is the specific heat for the metal? express your answer with the appropriate units.

What is the reason carbon atoms are the most versatile building blocks of the molecules used by living organisms?

How did scientist account for fossils and other geological evidence as they developed the geologic time scale

Chlorine and potassium atoms form ionic bonds, carbon atoms form non-polar covalent bonds with nitrogen atoms, and oxygen forms polar covalent bonds with phosphorus. Explain why these bonds are the types they are.

A strong monoprotic acid ionizes in water. If the [H3O+] concentration is 1.56 x 10^-4 M, what else is true? pH = 10.19 The solution contains more hydronium ions than hydroxide ions. pOH = 1.

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C