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3 years ago

What is the difference between a cesium atom (Cs) and a cesium ion (Cs+1)?

Chemistry

1 answer:

ELEN [110]3 years ago

5 0

Answer:

The difference between a cesium atom (Cs) and a cesium ion (Cs+1) is of 1 electron.

Explanation:

Cesium is an S-block element placed in 1st group and 6th period of modern periodic table.The atomic number of Cs is 55. It has only one valence electron, when we remove that valence electron from Cs atom it becomes Cs+ ion. After removal of valence electron the number of protons and neutrons do not get affected. But the size of Cs+ ion becomes shorter than Cs atom.

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What pressure is required to compress 156.0 liters of air at 2.00 atmosphere into a cylinder

garik1379 [7]

Answer:

option B.

Explanation:

Given,

V₁ = 156 L

P₁ =2 atm

Now, in the cylinder

P₂ = ?

V₂ = 36

Using relation between pressure and volume

$\dfrac{P_1}{V_2}=\dfrac{P_2}{V_1}$

$\dfrac{2}{36}=\dfrac{P_2}{156}$

$P_2 = 8.67\ atm$

Hence, pressure is equal to 8.67 atm.

Hence, the correct answer is option B.

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3 years ago

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DanielleElmas [232]

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3 years ago

Identify the reactants 4 A g + 2 H 2 S + O 2

Arturiano [62]

2Ag2S + 2H2O—>4Ag+2H2S+O2

The reactants are silver sulphide (Ag2s) and water (H2O)

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2 years ago

Which of the following is NOT a physical change?

andrey2020 [161]

Your answer is the last option, the explosion of fireworks. This is because all of the other options are physical changes because they don't change the substance, they only affect it in some way. However the explosion of a firework clearly changes a substance inside the initial 'rocket' into fireworks.

I hope this helps!

3 0

3 years ago

Read 2 more answers

Draw a structural formula for trans-1-bromo-3-isopropylcyclobutane.

LUCKY_DIMON [66]

We have to draw the structural formula of trans-1-bromo-3-isopropylcyclobutane.

The structure is shown below in Figure1.

The molecule trans-1-bromo-3-isopropylcyclobutane has four atoms in the skeleton and Br atom is attached at 1 position and isopropyl group at 3-position.

Trans structure means both groups are in opposite directions.

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3 years ago