electron configurations, ions

What atom matches this electron configuration?

[Xe] 6s¹ 4f¹⁴ 5d¹⁰

• Mercury

• Gold

• Platinum

• Thallium

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What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p³
  

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NGSS.HS-PS1-1

How many valence electrons does Chlorine have?

• 5
• 2
• 7
• 5

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How many valence electrons does phosphorus have?

• 5
• 2
• 8
• 15

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Which element is pictured?

• neon
• fluorine
• magnesium
• argon

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When Zinc becomes an ion, it loses its electrons from the ____ orbital.

• 1s

• 4s

• 3d

• 3p

In order for an atom/ion to be paramagnetic it needs to have ________ unpaired electron(s) in any orbital.

• no

• at least 1

Write out the electron configuration for Arsenic (short or long form) then tell me if it is paramagnetic or diamagnetic and how you know.

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Check all of the following elements or ions that are paramagnetic.

• Zn

• Mg

• Mn²⁺

• N

• O^2-

The orbital/sublevel FARTHEST from the nucleus in Chromium is

• 4s

• 3d

• 3p

• 1s

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