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victus00 [196]
3 years ago
8

Which of the following is NOT a type of joint?

Chemistry
1 answer:
Setler79 [48]3 years ago
8 0
B. is ur answer I bieleve
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What are the significance of metals in human life and civilization?
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Metals have an important role in our daily life. The discovery of the metal is said to be the most important milestone in the history of human civilization. We cannot live without machines now. All machines are made up of metals. Machines reduce the work of man. Many modern facilities would not have been possible without metals. Most metals occur as their compounds in nature.

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Which of these types of changes is a physical change?
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The correct answer is A. Can I get the Brainliest?

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Give the number of lone pairs around the central atom and the molecular geometry of XeF4.A)0 lone pairs, tetrahedralB)1 lone pai
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Answer: 2 lone pairs, square planar

Explanation:

Using the VSEPR ( Valence Shell Electron Pair Repulsion)Theory

To calculate the number of lone pairs electron can be done using the formula;

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V mean valency of the central atom

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C means charge on cation

A means charges on anion

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Number of bonding pair = 4

Number of lone pairs of electron = 6-4 = 2

The hybridrization of the compound is sp3d2 because the number of electrons around the central atom is 6.

The geometry of the compound is square planar and this is because of the repulsion between the bonding pair of electrons and lone pair of electrons which causes the lone pair of electrons to lie in a perpendicular plane in order to acquire stability.

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3 years ago
What causes the Moon to revolve around Earth?
Mama L [17]

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A, Earth Gravity

Explanation:

7 0
2 years ago
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if theres no coefficient on a element symbol, is the power automatically 1 like it would be if there was no subscript?
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3 years ago
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