Why cesium requires little energy to realease itsone electron present in the outermost shell

1 answer:

3 0

Releasing its electron is ionization energy which increases across the period so it has the smallest and since it is just one electron, it uses little energy.

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He molecular formula mass of this compound is 180 amu . what are the subscripts in the actual molecular formula?

mezya [45]

I can't actually answer this one if the empirical formula is not given. Luckily, I've found a similar problem from another website. The problem is shown in the picture attached. It shows that the empirical formula is CH₂O. Let's calculate the molar mass of the empirical formula.

Molar mass of E.F = 12 + 2(1) + 16 = 30 g/mol

Then, let's divide this to the molar mass of the molecular formula.
Molar mass of M.F/Molar mass of E.F = 180/30 = 6

Therefore, let's multiply 6 to each subscript in the empirical formula to determine the actual molecular formula.
<em>Actual molecular formula = C₆H₁₂O₆</em>

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2 years ago

What happen when you add heat to solids and liquids?

sasho [114]

When you add heat to a solid the particles gain energy and start to vibrate faster and faster.
When you add heat to a liquid the particles are given more energy and move faster and faster expanding the liquid.

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2 years ago

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When you add up all the kinetic energy and potential energy of a substance you are finding its _________________.

Aleks [24]

a ) temperature

hope this helps

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2 years ago

A liquid is placed in an evacuated, sealed flask. When will this closed system reach dynamic equilibrium?

timurjin [86]

The liquid will stop converting into vapor. This process is to balanced the amount of substance of both phases inside the flask.