Answer:
The elements are Tin (Sn) and Lead (Pb)
Explanation:
They are 4+ and 2+
For the 2+, this happens because of the loss of the outermost two P electrons and for the 4+, because of the loss of two electrons from the P orbital and another two electrons from the s-orbital.
The ether that is formed when ethyl alcohol is heated in the presence of sulfuric acid that is concentrated is called diethyl ether. Heating the alcohol breaks the bond between the R group and the OH group forming an ether. The formula of the ether would be CH3CH2OCH2CH3.
Answer:
modern continents hold clues to their distant past. Evidence from fossils, glaciers and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
Explanation:
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Answer:
The balanced equation would be:
3AgNO3+Al→3Ag+Al(NO3)3
Explanation:
Answer:
Weathering is the wearing away of the surface of rock, soil, and minerals into smaller pieces. Example of weathering: Wind and water cause small pieces of rock to break off at the side of a mountain. Weathering can occur due to chemical and mechanical processes.
Explanation:
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