What three factors affect the viscosity of magma

Read the sentences from the sections "the atoms" and "the electrons." there is a separate box of elements below the main table (and an odd shape for the main table, with a bite taken out of the top) because of how the other parts of the atom – the electrons – are arranged. in other words, the first element in each row starts a new shell containing one electron, and the last element in each row has two of the subshells in the outer shell fully occupied. the two sentences develop the reader's understanding of the article by

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number =7, there will be how many permitted orbital magnetic quantum numbers allowed? a. 6 b. 7 c. 11 d. 15

A25 gram bullet is fired from a gun with a speed of 230 m/s. if the gun has a mass of 0.9 kg what is the recoil speed of gun ?