If an element has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass?

1. All matter is composed of atoms or molecules that have energy of motion, which is also known as and A solar energy 8096 B radiation C kinetic energy D potentialenergy

4 elements and their symbols named for planets.

What is a non example of a lipid

Which of the following reactions obeys the Law of Conservation of Atoms? H2O → H2 + O2 CuSO4 + Zn → ZnCl2 + Cu Zn + HCl → ZnCl2 + H2 PbCl2 + Al → AlCl3 + Pb Zn + 2HCl → H2 + ZnCl2

What are two differences between status clouds and cirrus clouds

Describe three skills people use to conduct scientific investigations

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?

Complete the acid-base reaction between butyric acid HC4H7O2 and potassium hydroxide KOH. Do not include phase designations for any of the reactants or products. Be sure to include the charge for any charged species.

What overall effect does adding a catalyst have on a chemical reaction?

A hydrogen atom contains a single electron that moves in a circular orbit about a single proton. assume the proton is stationary, and the electron has a speed of 7.8 105 m/s.