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Chemistry

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Susanna Doyle

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Cards in this guide (7)
Which of the following elements tend to be radioactive

Ra and Ac

Pu and Th

Am and U

What is a bond that is an electrostatic attraction between atoms of opposite charges

ionic bond

Alpha decay and beta decay are two forms of decay that cause transmutation

radioactive

What does the sun give

The sun converts mass into energy and releases them.

Which law of thermodynamics states that the heat engine cannot be completely efficient

That is a consequence of the second and third laws of thermodynamics.

What pieces of information is not found in each square on the periodic table

There is little information present in square of element.It does not contain information about atomic radius,melting point and other properties.It does not tell about the state of element.

Which produces the most energy

fusing 10 kg of hydrogen

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