A constant horizontal force of 5.2 newtons is applied to a wooden block to slide it at constant speed across a wooden table. Calculate the weight of the block 7 N
14 N
34 N
17 N

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.