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tekilochka [14]
3 years ago
6

In which are the ionic solids ranked in order of increasing melting point?

Chemistry
1 answer:
abruzzese [7]3 years ago
7 0

Answer:A

Explanation:

The melting points of solids depend in the relative sizes of ions in the ionic lattice. The smaller the relative sizes of the ions, the higher the lattice energy and the stronger the lattice hence higher melting point. Comparing relative ionic sizes, fluoride ion is lesser in size than chloride ion hence NaF has a higher melting point than NaCl.

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Answer:

The mass of

4.6

×

10

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Explanation:

In order to determine the mass of a given number of atoms of an element, identify the equalities between moles of the element and atoms of the element, and between moles of the element and its molar mass.

1

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23

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1

mol Ag

6.022

×

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atoms Ag

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×

10

24

atoms Ag

×

1

mol Ag

6.022

×

10

23

atoms Ag

×

107.87

g Ag

1

mol Ag

=

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