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dlinn [17]
3 years ago
14

——-GIVING 45 POINTS—— How many dots belong in the electron dot diagram of a boron atom?

Mathematics
2 answers:
Vikki [24]3 years ago
7 0

Answer:The answer is eight electrons

Step-by-step explanation:

Firlakuza [10]3 years ago
4 0

Answer:

how would i know?

Step-by-step explanation:

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WILL GIVE BRAINLIEST, THANKS, AND 5 STARS!<br> PLEASE HELP ME!
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Answer:

-4 and 4

Step-by-step explanation:

<u>Method 1</u>

Apply Difference of Two Squares Formula: a^2-b^2=(a+b)(a-b)

Given  x^2-16=0

Rewrite 16 as 4²

Therefore, a^2=x^2 and b^2=4^2

\implies a = \sqrt{x^2}=x

\implies b=\sqrt{4^2} =4

\implies x^2-16^2=(x+4)(x-4)

\implies (x+4)(x-4)=0

\implies (x+4)=0 \implies x=-4

\implies (x-4)=0 \implies x=4

<u>Method 2</u>

Given equation:

x^2-16=0

Add 16 to both sides:

\implies x^2-16+16=0 + 16

\implies x^2=16

Square root both sides:

\implies \sqrt{x^2}=\sqrt{16}

\implies x=\pm4

Therefore, x = -4, x = 4

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2 years ago
What is 4 times the power of 18?
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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