Which of the following statements are true? i. the number of protons in an element is the same for all neutral atoms of that element. ii. the number of electrons in an element is the same for all neutral atoms of that element. iii. the number of neutrons in an element is the same for all neutral atoms of that element. select one:

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.