My muddiest point this week was 5.4. I had a hard time distinguishing between monatomic and polyatomic. Now I understand better because I read more about them and how to distinguish them. monatomic ions are when you have a charge you have an ion so those are called monatomic ions. For mono meaning one atom, it's a single atom ion. A Way to differentiate a polyatomic ion there are main differences between the two. Well, polyatomic means you have more than one. Poly means more than one. For an example of that would be OH1− , now what does this mean this means that you have two atoms of oxygen typically having a charge of two minus and hydrogen typically having a charge of one plus and if you combine their charges they end up having a net charge of 1- this whole group will act like a single unit they tend to be inseparable and that's when you call them a polyatomic ion. An example that got me was When naming an ionic compound consisting of monoatomic ions, which ion will be listed first? To what I answered that the ion with the smaller magnitude of charge. This was incorrect. The correct answer is the cation because it will always be listed first.

the tides are influenced by both the moon and the sun, it's easy to see that when the sun lines up with the moon and the earth, as during a new moon or full moon, the tidal effect is increased. these are known as spring tides, named not for the season, but for the fact that the water "springs" higher than normal. on the other hand, if the sun and the moon are 90 degrees apart in relation to an observer on earth as during the first quarter moon or third quarter moon, then high tides are not as high as they normally would be. this is because despite its greater distance, the sun's mass allows it to exert enough gravitational force on the oceans that it can negate some of the effects of the moon's pull. this phenomenon of lower high tides is called a neap tide. if you need more information on this topic visit moonconnection.com.

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.