Chemistry, 03.12.2021 06:40 madistupid
How do chloride levels vary between tap, bottled, distilled and outdoor water?
Answers: 1
Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
Answers: 3
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
Chemistry, 22.06.2019 14:00
Will mark brainliest how many electrons can be held in the energy level n = 4?
Answers: 1
How do chloride levels vary between tap, bottled, distilled and outdoor water?...
Biology, 04.06.2021 18:00
Computers and Technology, 04.06.2021 18:00
Mathematics, 04.06.2021 18:00
Mathematics, 04.06.2021 18:00
History, 04.06.2021 18:00
Mathematics, 04.06.2021 18:00
Mathematics, 04.06.2021 18:00
Mathematics, 04.06.2021 18:00