Three people push a piano on wheels with forces of 130 N to the right,
150 N to the left, and 165 N to the right.
What are the strength and direction of the
net force on the piano

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