.What causes a rare proxigean spring tide?About every year and a half a full moon coincides with the Moon's apogee of Earth. About every year and a half, a full moon coincides with the Moon's proxigee of Earth. About every year and a half, the new moon coincides with the Moon's apogee of Earth. About every year and a half, a new moon coincides with the Moon's proxigee of Earth.

What diagram shows the ionic compound of magnesium oxide

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)