If a 60 kg dog is on a 15 kg sled is pushed with a force of 300 n, what will be dogs acceleration? a) 900 n b) 4 kg c) 4 m/s2 d) 0.25 m/s2

Which of the following is not true about the atomic model of substances?

In a ball-and-stick molecular model, what do the sticks represent?

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .