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Gifted Atomic Structure Review

Authored by Scott Mitchell

Chemistry

9th - 10th Grade

Used 6+ times

Gifted Atomic Structure Review
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40 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What type of reaction is 231Pa --> 4He + 227Ac?

Fusion
Fission
Neither
Not enough info.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which isotope of iron is probably the most common?

iron-55
iron-56
iron-57
iron-58

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many protons does this isotope have: 4521Sc?

45
21
24
22

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does Thorium-234 turn into if it undergoes beta decay?

Protactinium-234
Moscoviun-288
Actinium-234
Americium-243

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does Thorium-234 turn into if it undergoes positron emission?

Protactinium-234
Moscoviun-288
Actinium-234
Americium-243

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A certain isotope has a mass number of 84 and an atomic number of 36.  How many protons, neutrons, and electrons?

84p, 36n, 48e
36p, 48n, 84e
36p, 48n, 36e
40p, 84n, 36e

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Candium has a half-life of 713 million years.  How much time must pass for 100 grams to turn into 25 grams?

713 million years
1426 million years
2139 million years
2852 million years

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