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2 years ago

Based on the electron configuration of the two

Chemistry

2 answers:

Whitepunk [10]2 years ago

4 0

Answer:

Explanation:

Cuz the when you pair Li and Cl, it becomes LiCl (it has 1:1 ratio)

Darya [45]2 years ago

3 0

Answer:

A. 1 : 1

Explanation:

First off, it's important to identify the groups both elements belong to. This would enable us know the number of electrons that is needed to be lost or gained to reach it's octet configuration.

To identify the group from the electronic configuration, add the powers of the highest number present,

In Lithuium, the highest number is 2. It's power is 1. So it belongs to group 1. Hence it needs to lose it's one valence electron to reach it's octet state.

In Chlorine, the highest number is 3. The powers ( 3S and 3P) are 2 and 5. belongs to group 7. Hence it needs to gain one more electron to complete its octet configuration.

So what we have now is;

Li⁺ + Cl⁻

Since both charges cancels out, we have LiCl as the product compound. Hence the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound is 1 : 1

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2 years ago

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geniusboy [140]

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3 years ago

Alveoli are tiny sacs of air in the lungs. Their average diameter is 4.50 × 10−5 m. Calculate the uncertainty in the velocity of

Arisa [49]

<u>Answer:</u> The uncertainty in the velocity of oxygen molecule is $4.424\times 10^{-5}m/s$

<u>Explanation:</u>

The diameter of the molecule will be equal to the uncertainty in position.

The equation representing Heisenberg's uncertainty principle follows:

$\Delta x.\Delta p=\frac{h}{2\pi}$

where,

$\Delta x$ = uncertainty in position = d = $4.50\times 10^{-5}m$

$\Delta p$ = uncertainty in momentum = $m\Delta v$

m = mass of oxygen molecule = $5.30\times 10^{-26}kg$

h = Planck's constant = $6.627\times 10^{-34}kgm^2/s^2$

Putting values in above equation, we get:

$4.50\times 10^{-5}m\times 5.30\times 10^{-26}kg\times \Delta v=\frac{6.627\times 10^{-34}kgm^2/s}{2\times 3.14}\\\\\Delta v=\frac{6.627\times 10^{-34}kgm^2/s^2}{2\times 3.14\times 4.50\times 10^{-5}m\times 5.30\times 10^{-26}kg}=4.424\times 10^{-5}m/s$

Hence, the uncertainty in the velocity of oxygen molecule is $4.424\times 10^{-5}m/s$

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3 years ago