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Rashid [163]
2 years ago
6

Which part of the Periodic Table of the elements is used to identify valence electrons? *

Chemistry
1 answer:
irina1246 [14]2 years ago
6 0
The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized
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C. a long chain of carbon atoms with hydrogen atoms attached to them.

Explanation:

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Which compound in the picture has a central atom with four outside atoms and has at least one nonpolar bond.
hodyreva [135]

Answer:

The answer is:

B

Explanation:

The compound in Option B is Methane.

Methane is known to be a compound which has two elements, carbon and hydrogen. It has a central atom which is surrounded by four hydrogen atoms. It's chemical formula is CH4.

Methane's outer atoms are dipoles and are in the same direction. This makes the overall molecule non-polar. The compound itself has non-polar bonds and it is non-polar itself.

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How many electrons in a silicon atom have n = 3 as one of their quantum numbers? How many electrons in a potassium atom have l =
UkoKoshka [18]
1) ₁₄Si 1s²2s²2p⁶3s²3p².
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2) ₁₉K 1s²2s²2p⁶3s²3p⁶4s¹.
Azimuthal quantum number (l=o) have seven electrons (1s²2s²3s²4s¹).
3) ₈₀Hg [Xe] 4f¹⁴5d¹⁰6s².
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The principal quantum number<span> is one of four </span>quantum numbers<span> which are assigned to each electron in an </span>atom<span> to describe that electron's state.</span>
The azimuthal quantum number<span> is a </span>quantum number<span> for an </span>atomic orbital<span> that determines its </span>orbital angular momentum<span> and describes the shape of the orbital. </span>
5 0
3 years ago
List and briefly explain the four types of intermolecular forces of attraction.
kow [346]

Answer:

Which statements describe polyatomic ions? Check all that apply.

Polyatomic ions have many charges.

Polyatomic ions have one overall charge.

Polyatomic ions repel other ions to form ionic bonds.

Polyatomic ions attract other ions to form ionic bonds.

Polyatomic ions are made up of only one type of atom.

Polyatomic ions are made up of two or more types of atoms.Explanation:

8 0
3 years ago
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