A particular atom has 58 protons and 82 neutrons. what are the atomic number, mass number, and periodic table symbol of this isotope?

A solution is prepared by adding 25.0 g of methanol to water to make a total volume of solution of 95.4 mL. What is the weight/volume percent of this solution?

Name an element in the fourth period (row) of the periodic table with two 4p electrons.

What is the chemical property of copper

How does the Humidity of air affect the type of snow that falls?

A student claims that during a crescent moon phase, the sun's light is only shining on the moon a tiny bit and during a full moon, the sun's light is shining on the entire moon. Do you agree or disagree with this claim? Explain.

The aromatic amino acids are synthesized in humans by a pathway beginning with reaction of indole with serine. synthesized in bacteria in a pathway shared by all three, up to the production of the intermediate chorismate.

Which element is a liquid at 25 celsius degrees and 1.0 atm? (A) bromine (B) krypton (C) phosphorus (D) xenon

Why do atoms receive a positive or negative charge when they give or take electrons? Include the nucleus in your explanation.

Determine the enthalpy change when 23.5 g of carbon is reacted with oxygen according to the reaction C (s) + O2 (g) CO2 (g) delta H = - 394 kJ/mol

In your opinion how is friction bad?