Which electron configuration represents an
excited state for a potassium atom?
(1) 2-8-...
Answers: 2
Chemistry, 22.06.2019 02:30
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 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
Chemistry, 23.06.2019 03:30
The semi-conductors on the periodic table are classified as
Answers: 1
Chemistry, 23.06.2019 15:40
The poh of a solution is 6.0. which statement is correct? use poh=-log[oh and ph+poh= 14 o o o the ph of the solution is 20.0. the concentration of oh ions is 1.0 x 10-8 m- the concentration of oh ions is 1.0 x 106 m- the ph of the solution is 8.0.
Answers: 3
Mathematics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Chemistry, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00