Answer:
To gain stability
Explanation:
If the outermost shell is not completely filled with electrons, the element has one of the three options: gaining electrons, losing electrons or sharing electrons. By gaining or losing electrons, ionic compounds are produced. Sharing of electrons results in the formation of covalent compounds.
Answer:
The equation for wave speed can be used to calculate the speed of a wave when both wavelength and wave frequency are known. Consider an ocean wave with a wavelength of 3 meters and a frequency of 1 hertz. The speed of the wave is: Speed = 3 m x 1 wave/s = 3 m/s.
SO... take your meters and hezert and do tha same
Explanation:
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<h2>Example of Physical change </h2>
Ice forming and then melting back into water are an example of physical change because the nature of water is liquid. Yet when it freezes then it becomes into solid form. The water which is liquid then freezes to form ice form which is as a solid which is also a physical change.
If we see that when ice which is frozen and in solid form starts to melt by heat then it converts into water which is liquid form. This indicates that water freezes to form ice means liquid to solid therefore its shape changes which is a physical change. When ice melts it becomes solid to liquid it also changes shape and subsequently takes a physical change.
The mixture of phenol and benzoic acid is separated by adding
to produce brisk effervescence with sodium benzoate .
When benzoic acid react with
then sodium benzoate is produced which is soluble in water and separated from non aqueous solvent . Organic compounds are soluble in organic solvent and inorganic compound mainly soluble in inorganic solvent like water.
What is brisk effervescence?
Brisk effervescence is when continuous gas evolution occurs in a chemical reaction like CO2. When HCl is added in
then CO2 evolved.
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