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  Unit 4 Exam RC  F24

Unit 4 Exam RC F24

Assessment

Flashcard

Chemistry

9th - 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 country is the city of Chernobyl located in?

Back

Ukraine

2.

FLASHCARD QUESTION

Front

What is the atomic number of an atom with 36 electrons?

Back

34

3.

FLASHCARD QUESTION

Front

How were the people of Pripyat affected by the Chernobyl meltdown?

Back

They were poisoned by radioactive fallout.

4.

FLASHCARD QUESTION

Front

What is the half-life of uranium-232?

Back

70 years.

5.

FLASHCARD QUESTION

Front

How many half-lives does it take for 10 g of uranium-232 to reduce to 0.63 g?

Back

4 half-lives.

6.

FLASHCARD QUESTION

Front

What is the half-life of iodine-131?

Back

8 days.

7.

FLASHCARD QUESTION

Front

Define atomic number.

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

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