Chemistry, 22.02.2021 18:40 shay7298

Mg4O2 is an example of what type of bond?

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Chemistry, 22.06.2019 06:30, Pizzapegasus1

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

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Chemistry, 22.06.2019 17:00, calmicaela12s

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

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Chemistry, 22.06.2019 18:10, ellemarshall13

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

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Chemistry, 23.06.2019 06:30, aurikmah2005

Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.