Which of the following describes the bohr atomic model?

a. protons, neutrons, and electrons orbit around each other in set paths.
b. the nucleus contains protons and neutrons and is orbited by electrons.
c. protons, neutrons, and electrons occupy the same spaces within the atom.
d. protons occupy the center of an atom, with neutrons and electrons circling.

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

0.2348 grams of pbcl2 used to form 44.0 ml of solution.