Which statement explains one way that ponds and lakes differ

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Which of the following is a possible formula unit? (2 points) select one: a. pbo b. li2b c. al2pb3 d. clo