Lithium and fluorine undergo ionic bonding. Using the noble gas electron configurations for each (below), please explain the pro
1 answer:
Answer:
Lithium loses one electron to fluorine and forms ionic bond, having formula .
Explanation:
Lithium is the element of the group 1 and period 2 which means that the valence electronic configuration is .
Fluorine is the element of the group 17 and period 2 which means that the valence electronic configuration is .
<u>Thus, lithium loses 1 electron and become positively charged. Fluorine on the other hand accepts this electron and become negatively charged.</u> This is done in order that the octet of the atoms are complete. <u>These both ions then form ionic bond as their will be electrostatic interaction between the two oppositely charged ions.</u>
Thus, the formula of calcium chloride is .
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Answer: The given statement is true.
Explanation:
According to the Dalton's law, total pressure of a mixture of gases that do not react with each other is equal to the partial pressure exerted by each gas.
The relationship is as follows.
or,
where, ....... = partial pressure of individual gases present in the mixture
Also, relation between partial pressure and mole fraction is as follows.
where, = mole fraction
Thus, we can conclude that the statement Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture, is true.