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Chemistry

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Lorine Boyle

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2y ago
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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

Is the measure of the amount of disorder in a system

Entropy

Elements that are in a vertical column in the periodic table that tend to share similar chemical properties and characteristics are called a

group

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

How does the arrangement of the periodic table compare to some card games

The groupings in the periodic table have some simalarities with the card game solitare. All the elements with similar properties are grouped in a vertical group, just as in solitare all cards of the same suit are arranged in a vertical group.

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

If you need to find the number of moles of air in a scuba tank filled to a pressure of 22,000 kPa at 295K, and the volume of the tank is 30 L, which equation would you use

PV = nRT

Where does the fusion reaction occur in the sun

Fusion occurs in the core of the sun and other stars.

Which of the following are equal to 233 K 40C 80F -40F -40C

233.15 K is -40 deg F or -40 deg C (the latter two are the same).

So, to the nearest whole degree, 233K would be equal to -40F or -40C

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

39 APEX

What. The lines below are parallel. If the green line is -4, what is the slope of the red line

4

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