Cracking the SAT Chemistry Subject Test

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Half-Life For the SAT Chemistry Subject Test, you should know everything we just said about radioactive decay, a ...

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Now review everything we’ve said about radioactive decay and half-lives, and try the following questions. The answ ...

DRILL 2 Question Type A Questions 4–6 refer to the following. (A) Alpha decay (B) Beta decay (C) Positron em ...

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Question Type C → + The radioactive decay shown above is anexample of (A) positron emission ...

(B) gamma ray emission (C) alpha decay (D) beta decay (E) ionization → + The radioactive decay shown above i ...

Summary The Bohr Model is the incorrect idea that electrons orbit the nucleus like planets orbit the sun. El ...

Chapter 7 The Periodic Table and Bonding When you sit down to take the SAT Chemistry Subject Test, the pe ...

THE PERIODIC TABLE PERIODIC TABLE OF THE ELEMENTS ...

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We’ve already seen that elements are arranged on the periodic table from left to right in order ...

of valence electrons, they will react similarly. And in general, this is true. We mentioned that all o ...

All of the groups on the periodic table are indicated by a combination of a number and a lette ...

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Metals, Nonmetals, and Semimetals All elements can be classified as being a metal, nonmetal, or semimetal (a ...

metals and nonmetals. For instance, silicon (Si) is shiny like a metal but brittle like a nonmetal. Appr ...

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The diagram below summarizes key families and regions on the periodic table. ...