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ivolga24 [154]
3 years ago
6

What gives elements in a family or group similar properties?

Chemistry
2 answers:
iris [78.8K]3 years ago
7 0
The correct answer is C.
sweet-ann [11.9K]3 years ago
3 0
I believe the answer is D.
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a book with a mass of 1 kg is dropped from a height of 3 m. what is the potential energy of the book when it reaches the floor?
mafiozo [28]
Well, first of all, the formula for finding potential energy is;
PE=mgh
  Where; m is the mass
               g is the gravitational force or acceleration due to gravity
                h is the height. 
   Anyway, according to the question, the mass is 1kg, the acceleration due to gravity has a constant value of 10ms² . And the height is 3m. Now you just have to use all these in the formula. So;
mgh= 1 x 10 x 3. That will be 30. And the unit of potential energy is Joule. So the answer is 30 joules. Hope i helped. Have a nice day.     
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3 years ago
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Elza [17]

Answer:

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Where are the following elements to choose from?
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First and foremost, they are completely different substances with each exhibiting unique properties. Both have different atoms involved on their structures which is the cause of the differing properties.
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3 years ago
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Two reasons that a plant from a rain forest would not survive in a desert home?
ss7ja [257]

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Explanation: I hope this helped you.

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