Fall Semester Exam Review

Fall Semester Exam Review

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is frequency in terms of waves?

Back

Frequency is the number of waves that pass a given point in one second, measured in Hertz (Hz). Higher frequency means more waves per second.

2.

FLASHCARD QUESTION

Front

How do you balance a chemical equation?

Back

To balance a chemical equation, ensure that the number of atoms of each element is the same on both sides of the equation by adjusting coefficients.

3.

FLASHCARD QUESTION

Front

What are halogens?

Back

Halogens are a group of elements in Group 17 of the periodic table, known for having seven electrons in their outer shell, making them highly reactive.

4.

FLASHCARD QUESTION

Front

What is the name of the acid HNO3?

Back

The name of the acid HNO3 is nitric acid.

5.

FLASHCARD QUESTION

Front

What is the maximum number of electrons that an S orbital can hold?

Back

An S orbital can hold a maximum of 2 electrons.

6.

FLASHCARD QUESTION

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed when electrons are transferred from one atom to another, while a covalent bond is formed when two atoms share electrons.

7.

FLASHCARD QUESTION

Front

What is the pH scale?

Back

The pH scale measures the acidity or basicity of a solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

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