Chemistry, 01.04.2021 23:20 gbrightwell
Madagascar is one of the islands and also one of the oldest, having split away from Africa over 120 million years ago
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Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
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Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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Chemistry, 23.06.2019 03:30
In general metals get as you move from left to right across the periodic table.
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Madagascar is one of the islands and also one of the oldest, having split away from Africa over 120...
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