Chemistry, 29.10.2020 08:00, jamalnellum56
Number of
Protons
Number of
Neutrons
Atomic
Number
Mass
Number
Element
(symbol)
20
20
A
B
С
9
D
E
19
F
Using the periodic table, complete the table to describe each atom. Type in your answers.
A
B
Answers: 3
Chemistry, 22.06.2019 02:30, caeyanij
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
Answers: 3
Chemistry, 22.06.2019 03:00, HHHHHHHHHMMMMMMMMM
About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question
Answers: 1
Chemistry, 22.06.2019 06:00, girly37
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
Number of
Protons
Number of
Neutrons
Atomic
Number
Mass
Number<...
Number of
Neutrons
Atomic
Number
Mass
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