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defon
3 years ago
5

How many electrons must Aluminum lose or gain to obtain a noble gas electron configuration? *

Chemistry
2 answers:
olganol [36]3 years ago
7 0

Answer:

it loses 3 electrons from 3s and 3p orbitals and attains the noble gas configuration of Neon.

Explanation:

the guy on top beat me to it gg

BaLLatris [955]3 years ago
6 0

Answer:

3 electrons

Explanation:

aluminum : [Ne]3s23p1 [ N e ] 3 s 2 3 p 1 . It loses 3 electrons from 3s and 3p orbitals and attains the noble gas configuration of Neon.

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What is the most soluble salt of the following set? What is the most soluble salt of the following set?
DiKsa [7]

Answer:

(c) AgCN\ (K_{sp} =6.0\times 10^{-17})

Explanation:

The solubility product of a solid is the amount of solid dissociates into its respective ions in the solution. Thus more the value of the Ksp, the more is the salt soluble in the solvent.

So,  Given that:-

Sn(OH)_2\ (K_{sp} =1.6\times 10^{-19})

Al(OH)_3\ (K_{sp} =1.9\times 10^{-33})

AgCN\ (K_{sp} =6.0\times 10^{-17})

Fe(OH)_3\ (K_{sp} =2.6\times 10^{-39})

The salt having highest value of Ksp is AgCN. So, it is most soluble.

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3 years ago
Which of the following is a homogenous mixture of two or more pure substances?
pashok25 [27]

The and is a  alcohol

6 0
2 years ago
Given a gas whose temperature is 418 K at a pressure of 56.0 kPa. What is the pressure of the gas if its Temperature changes to
Rainbow [258]

Answer: P₂=0.44 atm

Explanation:

For this problem, we are dealing with temperature and pressure. We will need to use Gay-Lussac's Law.

Gay-Lussac's Law: \frac{P_{1} }{T_{1} } =\frac{P_{2} }{T_{2} }

First, let's do some conversions. Anytime we deal with the Ideal Gas Law and the different laws, we need to make sure our temperature is in Kelvins. Since T₂ is 64°C, we must change it to K.

64+273K=337K

Now, it may be uncomfortable to use kPa instead of atm, so let's convert kPa to atm.

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Since our units are in atm and K, we can use Gay-Lussac's Law to find P₂.

P_{2} =\frac{T_{2} P_{1} }{T_{1} }

P_{2}=\frac{(337K)(0.55atm)}{418K}

P₂=0.44 atm

8 0
3 years ago
Which statement is true about the charges assigned to an electron and a proton?(1) Both an electron and a proton are positive.
Digiron [165]
Answer=3

Electrons carry a negative charge while protons carry a positive charge
6 0
3 years ago
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How many carbon dioxide molecules should be added to the products side to obey the law of conservation of matter?
Cerrena [4.2K]

Answer:

four A

Explanation:

3 0
3 years ago
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