Chemistry Semester One Review

Chemistry Semester One Review

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Atomic Mass?

Back

The weighted average mass of an element's isotopes, measured in atomic mass units (amu). For example, the atomic mass of Iron (Fe) is approximately 55.845.

2.

FLASHCARD QUESTION

Front

What is an orbital diagram?

Back

A visual representation of the arrangement of electrons in an atom's orbitals, showing the distribution of electrons among the various orbitals.

3.

FLASHCARD QUESTION

Front

What is ionization energy?

Back

The energy required to remove an electron from a gaseous atom or ion. It is a measure of how strongly an atom holds onto its electrons.

4.

FLASHCARD QUESTION

Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴, indicating that oxygen has 8 electrons distributed in its orbitals.

5.

FLASHCARD QUESTION

Front

How many electrons can the first energy level hold?

Back

The first energy level can hold a maximum of 2 electrons.

6.

FLASHCARD QUESTION

Front

What is the maximum number of electrons in the second energy level?

Back

The second energy level can hold a maximum of 8 electrons.

7.

FLASHCARD QUESTION

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configurations, and recurring chemical properties.

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