Q2 Different atoms need to gain or lose different numbers of electrons to get a full outer shell. How many electrons do the following elements need to lose in order
to get a full outer shell? Write your answers in the boxes.
a)
calcium
potassium
lithium
b)
How many electrons do the following elements need to gain in order
to get a full outer shell? Write your answers in the boxes.
fluorine
sulfur
chlorine
nd Pronerties of Matter

Transcribed image text: Jenny and Pablo each ran every day as part of an exercise routine. Jenny ran 5 miles each day for x days. Pablo ran 6 miles each day for y days The total number of miles that Jenny ran is greater than the total number of miles that Pablo ran. Write an inequality describing this relationship

here is it

Explanation:

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the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.