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abruzzese [7]
2 years ago
13

Define the electronegativity. explain the trend of electronegativity in periodic table.

SAT
1 answer:
Art [367]2 years ago
5 0

Answer:

1. Electronegativity is the property of an atom that attracts the shared pair of an electron to itself.

2. Electronegativity increases and decrease. It increases when to you from to the side or across of a period because the number of charge in the nucleus increases. Electronegativity decreases when you move down in a group because the electrons move farther or become far from the nucleus's pull.

Explanation:

I hope it helps! Have a great day!

pan~

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2 years ago
What it means that [If x is a factor of p(x), what is the value of k?]
kompoz [17]

Answer:

k = -4

Explanation:

Given

P(x) = (3x^2 - 5)(x + k) - 20

x is a factor

Required

Solve for k

x is a factor means that the polynomial can be divided successfully by x.

In other words, x is a zero of the polynomial.

i.e.

x = 0 and P(x) = 0

Substitute 0 for x in P(x)

P(x) = (3x^2 - 5)(x + k) - 20

P(x) = (3*0^2 - 5)(0 + k) - 20

P(x) = (0- 5)(k) - 20

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P(x) = -5k - 20

Substitute 0 for P(x)

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7 0
2 years ago
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