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Chemistry

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Jolie Lind

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Cards in this guide (13)
Which of the following elements tend to be radioactive

Ra and Ac

Pu and Th

Am and U

The bond order is equal to the number of pairs of electrons in a covalent bond

bonded

Is the measure of the amount of disorder in a system

Entropy

Possible options for spent nuclear fuel rods include

burying them in deep caverns.removing lighter nuclei and reusing them

re-mixing them and putting them back in the mines

The elements within a group tend to share

similar chemical properties and characteristics

An element is a substance composed of atoms that all have the same number of electrons

False

Groups are organized by the number of valence electrons that are found in their outer electron

shell

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.

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

Strontium decays by beta decay part of the nuclear equation is shown below fill in the blank with a number

39 APEX

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