What is the Bronsted-Lowry definition of an acid? a compound that donates protons
a compound that accepts protons
a substance that increases hydroxide ion concentration
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a substance that increases hydronium ion concentration

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What state of matter is ice a. liquid b. element c. solid d. gas

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.