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Kipish [7]
3 years ago
13

The octet rule states that the formula for a compound is derived by Group of answer choices having a net charge of magnitude 8.

using a minimum of 8 atoms. using exactly 8 bonds in the formula unit. having all atoms or ions get noble gas electron configurations.
Chemistry
1 answer:
balandron [24]3 years ago
6 0

Answer:

Atoms bonds with 8 electrons

Explanation:

Octet rule is a chemical rule that shows elements in main group bond so that each atom have 8 valence electrons in the outmost shell which make them to have similar electronic configuration with Noble gases This is important because the sharing of electrons make atoms to have full shell. Atoms with electrons not up to 8 react with more stable compound.

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Which statement about melting and boiling points is true? Question 3 options:
bonufazy [111]

Answer:

B

Explanation:

I believe it is B but I am not entirely sure! don't do this is B doesn't sound or look right to you!

4 0
3 years ago
a certain gas occupies 5 dm³ at 24 °C and 15 cm Hg. Calculate the pressure of the gas if the volume is halved and the temperatur
Fantom [35]

Explanation:

<em>(</em><em>P1V1</em><em>)</em><em>/</em><em>T1</em><em>=</em><em>(</em><em>P2V2</em><em>)</em><em>/</em><em>T2</em>

<em>(</em><em>1</em><em>5</em><em>X</em><em>5</em><em>)</em><em>/</em><em>2</em><em>9</em><em>7</em><em>=</em><em>(</em><em>p2x2</em><em>.</em><em>5</em><em>)</em><em>/</em><em>4</em><em>7</em><em>3</em>

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7 0
4 years ago
What is the volume of 9.5 g fluorine gas, F2, at STP?
Tju [1.3M]

Answer:

5.6L

Explanation:

At STP, the pressure and temperature of an ideal gas is

P = 1 atm

T = 273.15k

Volume =?

Mass = 9.5g

From ideal gas equation,

PV = nRT

P = pressure

V = volume

n = number of moles

R = ideal gas constant =0.082J/mol.K

T = temperature of the ideal gas

Number of moles = mass / molar mass

Molar mass of F2 = 37.99g/mol

Number of moles = mass / molar mass

Number of moles = 9.5 / 37.99

Number of moles = 0.25moles

PV = nRT

V = nRT/ P

V = (0.25 × 0.082 × 273.15) / 1

V = 5.599L = 5.6L

The volume of the gas is 5.6L

5 0
3 years ago
Calcium carbonate thermally decomposes to produce calcium oxide and carbon dioxide. After
Dmitrij [34]

Answer:

1/45 or 0.0222 g/s

Explanation:

rate of reaction = quantity of reactant used/time taken

                            = (10-8)/90

                            = 1/45 or 0.0222 g/s

p.s add as brainliest

4 0
3 years ago
Which best describes sodium chloride (NaCl)?
OverLord2011 [107]

Answer: NaCl is an ionic compound

Explanation: Sodium Chloride is formed from Na+ and Cl- ions.

It is soluble in water, it has crystalline structure, it has high melting point and

It is insulator as solid form. Water solution leads current.

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3 years ago
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