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4 years ago

To achieve an octet in the valence energy level, a fluorine atom will gain two electrons?

2 answers:

8 0

Not quite, fluorine is valency one which indicates that fluorine would only needs ONE electron to obtain the octet (being that it already has 7 electrons on its valence orbital) and as such it gains one electron to form the fluoride ion ( Fl⁻).

solmaris [256]4 years ago

4 0

1 electron. Look at the periodic table, fluorine (F) is on the right, atomic number 9. It wants to get all the way over to the right to become more stable, which means it only needs 1 more electron (has 7 in its current state, wants 8)

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Ira is working in a lab with a unknown solution. when he inserts the electrical conductivity tester in the in known, the bulb be

valentina_108 [34]

Ira is working in a lab with a unknown solution. when he inserts the electrical conductivity tester in the in known, the bulb begins to glow brightly. which of these would best describe the unknown liquid ?

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C) It contains a ionic compound that conducts electricity in solution.

D) It contains a covalent compound that conducts electricity in solution.

ANSWER:

C) It contains a ionic compound that conducts electricity in solution.

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3 years ago

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3 years ago

1) A box has a mass of 8 kg and a volume of 2 m? What is its density? |

pentagon [3]

$\huge\boxed{4\ \text{kg/m$^3$}}$

We know that $\rho=m\div V$ , where $\rho$ is density, $m$ is mass, and $V$ is volume.

Substitute in the values we know and solve:

$\begin{aligned}\rho&=8\div2\\&=\boxed{4}\end{aligned}$

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3 years ago

How do the valence electrons of carbon cause its chemical behavior

Crank

It's not the valences electrons themselves, but the number of valence electrons that determines the chemical properties of an element

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3 years ago

A detailed description of what Alexander Fleming was famous for?

Harlamova29_29 [7]

Hello there!

Alexander Fleming was actually known for discoveries and of what he has invented. He made many things such as medicine, and also, certain substances such as enzyme lysozyme. He made many awards, noble prize, and other highly certificates that made him a very interesting person. This was the kind of person Alexander Fleming was.

I hope this helps you!

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3 years ago