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katrin2010 [14]
3 years ago
6

Core electrons shield what from the pull of the nucleus?

Chemistry
1 answer:
nikklg [1K]3 years ago
5 0

Answer:

C. Valence electrons

Explanation:

Please mark my answer as brainliest, I would appreciate it.

:)

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Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four qu
ad-work [718]

Answer:

The allowable values for the principle quantum number (n) are integers greater than zero.

The allowable values for the angular momentum quantum number (l) are integers from 0 to n-1.

The allowable values for the magnetic quantum number (ml) are integers from -l to l.

The allowable values for the spin quantum number (ms) are -1/2 and 1/2.

Explanation:

<em>Identify allowable combinations of quantum numbers for an electron. Select all that apply.</em>

  • <em>The allowable values for the principle quantum number (n) are integers greater than zero. </em>TRUE. The principal quantum number (n) represents the level of energy in which an electron is and can take positive integer values.
  • <em>The allowable values for the angular momentum quantum number (l) are integers from 0 to n-1.</em> TRUE. The angular quantum number (l) represents the sublevel of energy and the kind of orbital an electron is in and can take integer values from 0 to n-1. For instance, if n = 1, l can take the value "0", which represents the sublevel and orbital "s".
  • <em>The allowable values for the magnetic quantum number (ml) are integers from -l to l.</em> TRUE. The magnetic quantum number (ml) represents the orientation of an orbital in space and can take integers values from -l to +l. For instance, if l = 1 (p orbital), ml can take the values -1, 0 and 1, which refer to orbitals px, py and pz.
  • <em>The allowable values for the spin quantum number (ms) are -1/2 and 1/2. </em>TRUE. The spin quantum number (ms) represents the spin of the electron and can take values -1/2 and +1/2.
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3 years ago
The measurement of how much mass is contained in a given volume is called what?
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What does halogen mean?
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A Halogen is a group (or a column) on the periodic table. It contains fluorine, chlorine, bromine, and astatine!
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Will someone actually help me and not just something random
Novosadov [1.4K]

Answer:

D

Explanation:

8 0
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