How does the quantum mechanical model of the atom describe electrons

Which group has the Same electron shells? A Titanium and Gold B Selenium and Tin C Calcium and Magnesium D Lithium and Boron

Is there any science behind unicorns / pegasis?

An amoeba has 1.00 x10^6 protons and a net charge of 0.300 pc. how many fewer electrons are there than protons

What does force equal?

Motor oil, with a viscosity of 0.25 N ∙ s/m 2, is flowing through a tube that has a radius of 5.0 mm and is 25 cm long. The drop in pressure is 300 kPa. What is the volume of oil flowing through the tube per second?

Define the term volt.

A baseball player was hit by a baseball in the left eye and complains of double vision. What should you do? A. Restrict spinal movement B. Assess pupillary response C. Perform a detailed exam D. Apply ice to orbit

An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity

How did astronomers precisely determine the length of an Astronomical Unit in the 1960s?

If a 1.50 kg mass revolves at the end of a string 0.50 m long, and its tangential speed is 6.0 m/s, calculate the centripetal force.