Atoms are the smallest particle into which an element can be divided. Atoms can join together to form molecules, which in turn form most of the objects around you. The quiz below should take you less than thirty minutes and...
Questions: 15 | Attempts: 1823 | Last updated: Mar 21, 2022
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Sample Question
Which of the following correctly represents 360g of water?a) 2 moles of waterb) 20 moles of waterc) 6.022 x 1023 molecules of waterd) 1.2044 x 1025 molecules of water
Questions: 6 | Attempts: 1594 | Last updated: Mar 22, 2022
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Sample Question
From the given examples, form the pair of isotopes.
18 Ar 40, 17 Cl 35, 20 Ca 40, 17 Cl 37
Test over chapter 6
Questions: 18 | Attempts: 264 | Last updated: Mar 22, 2022
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Sample Question
A compound is held together by