WEDNESDAY Practive

WEDNESDAY Practive

Assessment

Flashcard

Chemistry

12th 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 the half-life of a substance?

Back

The half-life of a substance is the time required for half of the substance to decay or be eliminated from a system.

2.

FLASHCARD QUESTION

Front

If 10 mg of iodine-131 is given to a patient, how much is left after 24 days? (Half-life = 8 days)

Back

1.25 mg

3.

FLASHCARD QUESTION

Front

Convert 5.6 kg to grams.

Back

5600 g

4.

FLASHCARD QUESTION

Front

What two types of measurements make up density?

Back

Mass and Volume

5.

FLASHCARD QUESTION

Front

Calculate the density of a rock with a mass of 14g and a volume of 2cm³.

Back

7 g/cm³

6.

FLASHCARD QUESTION

Front

What is the area of the atom where protons and neutrons are found?

Back

Nucleus

7.

FLASHCARD QUESTION

Front

Define density in terms of mass and volume.

Back

Density is defined as mass per unit volume, typically expressed in g/cm³.

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