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AP Chem Unit 1 Review

AP Chem Unit 1 Review

Assessment

Flashcard

Chemistry, Science

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What does a larger binding energy in a PES graph indicate?

Back

The closer the electrons are to the nucleus.

2.

FLASHCARD QUESTION

Front

How many valence electrons does an unknown element P have if it is given as 2?

Back

2

3.

FLASHCARD QUESTION

Front

In a PES graph, how does the binding energy of 1s electrons compare to that of 2s electrons?

Back

1s electrons have a higher binding energy than 2s electrons.

4.

FLASHCARD QUESTION

Front

How many isotopes are shown in a mass spectrometry analysis if the answer is 2?

Back

2 isotopes.

5.

FLASHCARD QUESTION

Front

What is the empirical formula of chloroform with a percent composition of 10.06% carbon, 0.84% hydrogen, and 89.09% chlorine?

Back

CHCl3.

6.

FLASHCARD QUESTION

Front

Define binding energy in the context of PES graphs.

Back

Binding energy is the energy required to remove an electron from an atom.

7.

FLASHCARD QUESTION

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

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