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3 years ago

Compare and contrast the two kinds of chemical bonds (ionic and covalent)

1 answer:

4 0

An Ionic bond is when you have a metal and a nonmetal element bonded together. In this kind of bonds, the metal atom takes electrons from the nonmetal. on other words, this bond involves the gaining and losing of electrons. The atom that receives the electrons becomes an anion (negatively charged ion) and the one that loses them becomes the cation (positively charged ion)

A covalent bond is a bond created between two nonmetals element. In here, both atoms share the electrons.

Both bonds involve interaction between atoms.

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Calculate the pressure using the formula

Nina [5.8K]

Answer:is 1.08 kg

Explanation:

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Why is it important for scientists and o make data tables

Yuki888 [10]

I think is important to make a data table because when you do the same experiment if you get the same its because your right?

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3 years ago

How many grams of NaCL are required to prepare 50ml of a 2.0 molar solution

Ksivusya [100]

Answer:

5.85 gm.

Explanation:

We know that,

Normality = Molarity × Molecular weight

Equivalent weight

Since molecular weight of NaCl= equivalent weight = 23+35.5 =58.5

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Now,

Normality= weight in gram ×1000

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Weight in gram is given by,

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3 years ago

From which layer of the atmosphere do particles of air escape into space? will give brainly

svetoff [14.1K]

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Explanation:

The atmosphere is divided into layers. There are 5 main layers of atmosphere, which are: Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere.

Troposphere is the lowest layer of the atmosphere where most of the weather occurs.
Then comes the Stratosphere which is about 50 km above the Earth's surface. It contains most of the ozone which is present in the atmosphere.
Then comes the Mesosphere which starts from 50 km and extends upto 85 km from the Earth's surface.
Then comes the Thermosphere which starts from 90 km and extends to between 500 km and 1,000 km.
Exosphere is the last layer of the atmosphere, through which anything escapes the atmosphere to space. This layer extends upto 10,000 km from the Earth's surface.

Hence, the layer from where particles of air escape into space is exosphere.

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True or False

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Your aw that u are looking for is true that what u are looking for

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