Chemistry, 29.06.2019 20:00 MonkeyBurroughs
How did the discoveries of scandium (sc) and germanium (ge) affect mendeleev’s work? a. they showed mendeleev’s table needed different groups. b. they showed mendeleev’s predictions were flawed. c. they showed mendeleev’s predictions were correct.
Answers: 2
Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Chemistry, 22.06.2019 14:00
Displacement is the slope of a velocity vs. time graph a. true b. false
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Chemistry, 22.06.2019 18:30
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
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How did the discoveries of scandium (sc) and germanium (ge) affect mendeleev’s work? a. they showed...
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