What is the correct ionic charge of an atom that gained 3 electrons?

What is the mass of oxygen in 10.0 g of water?

Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table. O-O, Fe-O, Al-N, O-I, S-I, Br-Br, P-Br, Be-Cl

What bonds are broken during the combustion of methane (CH4) to form water and carbon dioxide? C-H bonds in methane and H-O bonds in water C-H bonds in methane and O-O bonds in oxygen H-O bonds in water and C-O bonds in carbon dioxide C-O bonds in

If the reaction starts with 20 moles of NaF, how many moles of AlF3 would you produce? AL (NO3) 3 (aq) + NaF (aq) - -> 3 NaNO3 (aq) + ALF3 (aq)

How can I become good at General chemistry 2 college level course?

Which of these are the largest? asteroids, comets, meteors, or are they all the same size?

A) the ka for acetic acid (h3cco2h) is 1.737 * 10-5. what is the pka for this acid? b. use the pka calculated above to determine the ph at which [h3cco2h]=[h3cco2-].

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

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Foods labeled "fat free" can actually contain less than 0.5 grams of fat.