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Protons and neutrons have similar masses and similar electrical charges.
Q2: How many molecules of sulfur trioxide are
Q17: The only known atom that does not
Q44: Considering the following precipitation reaction: <br>Pb(NO<sub>3</sub>)<sub>2</sub>(aq)+ 2KI(aq)→
Q50: If an oxyacid contains the sulfate oxyanion,then
Q59: An oxidation-reduction reaction must involve reaction with
Q60: A chemical change occurs when matter does
Q69: The element nitrogen normally exists in nature
Q84: Temperatures reported in the Kelvin scale cannot
Q109: Which is a spectator ion from the
Q111: The number 0.010100 has five significant figures.