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Atomic Structure

May 17, 2022 by orgoly

General Chemistry
Atoms and Elements
Atomic Structure
Atomic Structure

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Question 1 of 6

1. Question

Complete the following statement.

A neutral atom of cadmium-114 (¹¹⁴Cd) contains BLANK 1 of 3 protons, BLANK 2 of 3 neutrons, and BLANK 3 of 3 electrons.
A neutral atom of cadmium-114 (¹¹⁴Cd) contains Fill in the blank 1 of 3 protons, Fill in the blank 2 of 3 neutrons, and Fill in the blank 3 of 3 electrons.

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Question 2 of 6

2. Question

Which of the following correctly represents an atom that has 19 protons, 20 neutrons and 18 electrons?

³⁹K⁺
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³⁹K⁻
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²⁰K⁺
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²⁰K⁻
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Question 3 of 6

3. Question

The amount of carbon-14 (¹⁴C) present in some artifacts can be used to determine their age. How many protons, neutrons and electrons are present in a neutral atom of carbon-14?

6 protons, 8 neutrons, 6 electrons
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8 protons, 6 neutrons, 8 electrons
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6 protons, 8 neutrons, 8 electrons
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6 protons, 6 neutrons, 6 electrons
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Question 4 of 6

4. Question

Complete the following statement.

The selenide-80 ion, ⁸⁰Se²⁻, contains BLANK 1 of 3 protons, BLANK 2 of 3 neutrons, and BLANK 3 of 3 electrons.
The selenide-80 ion, ⁸⁰Se²⁻, contains Fill in the blank 1 of 3 protons, Fill in the blank 2 of 3 neutrons, and Fill in the blank 3 of 3 electrons.

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Question 5 of 6

5. Question

Arrange the following sub-atomic particles from greatest mass (top) to lowest mass (bottom).

answer is Correct is the Correct Answer answer is Incorrect

answer is Correct is the Correct Answer answer is Incorrect

answer is Correct is the Correct Answer answer is Incorrect

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Question 6 of 6

6. Question

Match each of the following descriptions to the correct term.

Sort elements

Contains most of the mass of an atom
Occupy the majority of the volume of an atom
Have a positive charge
Have a neutral charge

Nucleus

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Electrons

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Protons

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Neutrons

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