Copy of ADV Skill Check #2.4 (Unit 1 Investigation 2 Experience 4) (7/30/2025)

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How many electrons can fit in the d block?

6

14

10

2

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Refer to the periodic table and the electron dot model of nitrogen.
Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

As

Si

O

B

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Consider the electron configuration of sulfur (S) 1s² 2s² 2p⁶ 3s² 3p⁴. How many unpaired electrons does sulfur have? Show your work.

2

0

1

4

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The atomic number of phosphorus (P) is 15. How many valence and core electrons are in a neutral atom of this element?

There are 5 valence electrons and 10 core electrons.

There are 4 valence electrons and 11 core electrons.

There are 6 valence electrons and 9 core electrons

There are 3 valence electrons and 12 core electrons.

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An atom of chlorine (Cl) has 17 electrons. These electrons are present in energy shells around the nucleus. Which series of numbers lists the correct number of electrons in each energy shell, starting with the energy shell closest to the nucleus?

2, 8, 1

2, 10, 5

2, 8, 7

2, 8, 17

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What is the full electron configuration for Arsenic (As)?

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Copy of ADV Skill Check #2.4 (Unit 1 Investigation 2 Experience 4) (7/30/2025)

How many electrons can fit in the d block?

Refer to the periodic table and the electron dot model of nitrogen.
Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s² 2s² 2p⁶ 3s² 3p⁴. How many unpaired electrons does sulfur have? Show your work.

The atomic number of phosphorus (P) is 15. How many valence and core electrons are in a neutral atom of this element?

An atom of chlorine (Cl) has 17 electrons. These electrons are present in energy shells around the nucleus. Which series of numbers lists the correct number of electrons in each energy shell, starting with the energy shell closest to the nucleus?

What is the full electron configuration for Arsenic (As)?

What is the noble gas configuration for Iodine (I)?

How many electrons can fit in the d block?

Refer to the periodic table and the electron dot model of nitrogen.
Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s² 2s² 2p⁶ 3s² 3p⁴. How many unpaired electrons does sulfur have? Show your work.

The atomic number of phosphorus (P) is 15. How many valence and core electrons are in a neutral atom of this element?

An atom of chlorine (Cl) has 17 electrons. These electrons are present in energy shells around the nucleus. Which series of numbers lists the correct number of electrons in each energy shell, starting with the energy shell closest to the nucleus?

What is the full electron configuration for Arsenic (As)?

What is the noble gas configuration for Iodine (I)?

Copy of ADV Skill Check #2.4 (Unit 1 Investigation 2 Experience 4) (7/30/2025)

Copy of ADV Skill Check #2.4 (Unit 1 Investigation 2 Experience 4) (7/30/2025)

How many electrons can fit in the d block?

Refer to the periodic table and the electron dot model of nitrogen.Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s2 2s2 2p6 3s2 3p4. How many unpaired electrons does sulfur have? Show your work.

The atomic number of phosphorus (P) is 15. How many valence and core electrons are in a neutral atom of this element?

An atom of chlorine (Cl) has 17 electrons. These electrons are present in energy shells around the nucleus. Which series of numbers lists the correct number of electrons in each energy shell, starting with the energy shell closest to the nucleus?

What is the full electron configuration for Arsenic (As)?

What is the noble gas configuration for Iodine (I)?

How many electrons can fit in the d block?

Refer to the periodic table and the electron dot model of nitrogen.Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s2 2s2 2p6 3s2 3p4. How many unpaired electrons does sulfur have? Show your work.

The atomic number of phosphorus (P) is 15. How many valence and core electrons are in a neutral atom of this element?

An atom of chlorine (Cl) has 17 electrons. These electrons are present in energy shells around the nucleus. Which series of numbers lists the correct number of electrons in each energy shell, starting with the energy shell closest to the nucleus?

What is the full electron configuration for Arsenic (As)?

What is the noble gas configuration for Iodine (I)?

Refer to the periodic table and the electron dot model of nitrogen.
Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s² 2s² 2p⁶ 3s² 3p⁴. How many unpaired electrons does sulfur have? Show your work.

Refer to the periodic table and the electron dot model of nitrogen.
Based on the understanding of the way elements are arranged in the periodic table, which element will have the same number of valence electrons as nitrogen?

Consider the electron configuration of sulfur (S) 1s² 2s² 2p⁶ 3s² 3p⁴. How many unpaired electrons does sulfur have? Show your work.