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The way I understand it, molecules are two or more atoms bonded covalently (sharing electrons). Diatomic molecules can include both O2 and CO, if I'm correct, and triatomic molecules are O3, H2O, etc. But then I read that all noble gases are "monatomic molecules." Doesn't this really go...

I need to clarify something. I have a question saying "A ball rebounds inelastically from a wall; is..." Its momentum convserved but not its kinetic energy Its kinetic energy conserved but not its momentum Both its kinetic energy and momentum are conserved Neither "" I understand in an...

It feels like the marks I get for English essays are completely random! I handed in a practice essay to my English teacher, and got 18/20. She tells me a few things to correct, and I go home and correct them. I then resubmit my essay to my English teacher a week later. Next day, I get it back...

I have two different textbooks, one of which says: metal +water = metal oxide + hydrogen the other says: metal + water = metal hydroxide + hydrogen Are both reactions possible? If so, how do you tell whether an oxide or hydroxide is formed?

And what will you be doing during the holidays? We finish this Wednesday at midday

Because our school forces us to do at least 12 units, I chose SOR 1 to make it a total of 12. Im quite confident with the rest of my subject choices, but my question is, would it matter if I completely didn't study for SOR and say got a fail, while focusing on my other subjects, which scale much...