Unit 2 Final Review (Chemistry)

Unit 2 Final Review (Chemistry)

Assessment

Flashcard

Chemistry

12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is PPE in a laboratory setting?

Back

PPE stands for Personal Protective Equipment, which includes items like goggles, gloves, lab coats, and face shields that protect the wearer from hazards.

2.

FLASHCARD QUESTION

Front

Who discovered the neutron?

Back

James Chadwick discovered the neutron, a subatomic particle with no charge that plays a crucial role in the structure of atoms.

3.

FLASHCARD QUESTION

Front

Which of the following is NOT an appropriate unit for measuring density?

Back

mL/cm^3 is not an appropriate unit for measuring density.

4.

FLASHCARD QUESTION

Front

What are the Halogens?

Back

The Halogens are a group (family) in the periodic table that includes elements like Fluorine, Chlorine, Bromine, Iodine, and Astatine.

5.

FLASHCARD QUESTION

Front

How is Calcium (Ca) classified in the periodic table?

Back

Calcium (Ca) is classified as a metal.

6.

FLASHCARD QUESTION

Front

What is the definition of density?

Back

Density is defined as mass per unit volume, typically expressed in units like kg/m^3 or g/cm^3.

7.

FLASHCARD QUESTION

Front

What is the significance of neutrons in atomic structure?

Back

Neutrons contribute to the mass of an atom and help stabilize the nucleus by offsetting the repulsive forces between protons.

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