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emmasim [6.3K]
3 years ago
15

A family of elements that has two electrons in its outer energy level is the

Chemistry
2 answers:
Georgia [21]3 years ago
6 0
Alkaline earth metals
balu736 [363]3 years ago
3 0
2nd group of the periodic table
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In Millikan’s experiment, the oil droplets acquire one or more negative charges by combining with the negative charges that are
zimovet [89]

Answer:

-6.4x10⁻¹⁹ C

Explanation:

The elementary charge of one electron is -1.60x10⁻¹⁹C, so each electron has its charge, and a sample with more than one electrons will have a multiple of its charge, which is proportional to the number of electrons. So, if the oil droplet had 4 electrons, thus the charge will be four times the elementary charge:

4*(-1.60x10⁻¹⁹) C = -6.4x10⁻¹⁹ C

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How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3
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Hope this helps you!

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7moleNaCl<br> x 6.02E23moleculeNaCl<br> 1moleNaCl
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What is Gibbs free energy
Alenkinab [10]

Answer:

The minimum amount of energy needed the the cell to perform various cellular,biochemical and physiological activities is known is Gibbs free energy.

Explanation:

The change in gibbs free energy of is very much important to determine whether a given reaction is spontaneous,non spontaneous  or equilibrium.

 1 If gibbs free energy change of a reaction is negative then the reaction is spontaneous.

2  If the free energy change is 0 then the reaction is in equilibrium stage.

3  If free energy change is positive then the reaction is non spontaneous.

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