Chemistry, 21.09.2019 07:30 raniacakes
Which statement explains why some elements decay and others do not? a)elements that decay have fewer than 50 protons. b)elements that decay have an equal number of protons and neutrons. c)elements that decay have a proton to neutron ratio that is too high or too low. d)elements that decay have too many electrons relative to the number of neutrons.
Answers: 2
Chemistry, 22.06.2019 05:30, alexusnicole817
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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Chemistry, 23.06.2019 02:30, kieante01
Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.
Answers: 1
Chemistry, 23.06.2019 03:50, lindseyklewis1p56uvi
What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.
Answers: 2
Which statement explains why some elements decay and others do not? a)elements that decay have fewe...
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