Answers 26-27 CFISD TX-Chemistry A CRPeriodic Trends

Periodic Trends — Unit test Answers

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Which is most likely true about electronegativity?

It tends to be the same across a period.

It tends to be the same down a group.

It tends to increase across a period.

It tends to increase down a group.

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Which shows the electron configuration for Silicon (Si)?

[Ar]4s23d104p4

[Ar]3d14s2

[Ne]3s23p4

[Ne]3s23p2

Microscopes are used to study the structures of rocks. Over time, microscopes have become more and more powerful. As a result of this technological improvement, our structural information of rocks

now includes fewer minerals.

has become increasingly detailed.

has become increasingly debatable.

now includes the location of electrons.

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Periodic Trends — Unit test Answers

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