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stiks02 [169]
3 years ago
8

Relate text and visuals using the cartoon, explain why the potassium atom becomes positively charged and the fluorine atom becom

es negatively charged.
Chemistry
1 answer:
tangare [24]3 years ago
5 0
Elements are ionized because they aspire to be stable. The most stable form are the ones with full octet of electrons, the noble gases which consist of the last column in the periodic table. The rest of the elements either accept or readily donate electrons to conform to the electronic configuration that is the same with the nearest noble gas.

1. Potassium's nearest noble gas is Ar which is one electron fewer. So, when ionized, it donates 1 electron. Hence, K⁺.
2. The nearest noble gas for fluorine is Neon which is 1 electron more. Hence, it has to accept one more electron. Hence, F⁻.
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A mixture of 0.220 moles rn, 0.350 moles o2 and 0.640 moles ar has a total pressure of 2.95 atm. what is the pressure of o2? a m
EastWind [94]

Answer:

0.85 atm

Explanation:

We start by getting the total number of moles of all gases.

Total moles = 0.220 + 0.350 + 0.640 = 1.21 mol

Then we get the fraction of Oxygen moles and multiply by the total pressure;

The pressure of O2 = 0.350 mol / 1.21 mol x 2.95 atm  

                                = 0.85 atm

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Ostrovityanka [42]

Answer:

Joule

Explanation:

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3 years ago
What words come to mind when you hear the word Philosophy?
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Wisdom

Explanation:

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3 years ago
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A sample of chlorine gas occupies 350.0 ml when its pressure is 735 mm hg. how many milliliters will is occupy when its pressure
docker41 [41]
The  Milliliters  that   occupy   when   its  pressure  is  755  mmhg  is   calculated   using Bolyes  law  fomula
that  is  P1v1 = p2 V2
p1=  735mmhg
V1=  350  Ml
P2=  755  mm hg
V2= ?

from  the  formula  above  V2 is  therefore=  p1V1/P2
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3 years ago
Where in a convergent boundary does rock recycling occur
Vaselesa [24]

Answer:

Convergent boundaries form when two crustal plates are colliding. ... The subducting plate is being recycled as it begins to melt at about 100 kilometers. The water soaked oceanic plate forms molten rock that collects in magma ... If the break is along hundreds of kilometers of fault line a megathrust earthquake occurs.

Explanation:

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3 years ago
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