2 years ago

Which sublevels hold valence electrons?

1 answer:

8 0

Answer:

The Periodic Table can be divided into s, d, p, and f sublevel blocks. For elements in the s sublevel block, all valence electrons are found in s orbitals. For elements in the p sublevel block, the highest energy valence electrons are found in p orbitals.

Explanation:

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Misha Larkins [42]

Answer:

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3 years ago

A chemical reaction that removes electrons from an atom is called a(n) ________ reaction.

ch4aika [34]

A chemical reaction that removes electrons from an atom is called "O<span>xidation".
The term came from late 18th century from French.
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2 years ago

What do you call each of the following changes of state:

Alinara [238K]

a. Solid to liquid - melting process

b. Liquid to gas - evaporation process

c. Gas to solid - deposition process

d. Solid to gas - sublimation process

e. Liquid to solid - solidification process

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2 years ago

A technician needs 500.0mL of a 0.500 M MgCl2 solution for some lab procedures. The stock bottle is labeled 4.00 M MgCl2. What v

mihalych1998 [28]

Answer:

Explanation:

To solve this problem, we need to obtain the number of moles of the solute we desired to prepare;

Number of moles = molarity x volume

Parameters given;

volume of solution = 500mL = 0.5L

molarity of solution = 0.5M

Number of moles = 0.5 x 0.5 = 0.25moles

Now to know the volume stock to take;

Volume of stock = $\frac{number of moles }{molarity}$

molarity of stock = 4M

volume = $\frac{0.25}{4}$ = 0.0625L or 62.5mL

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3 years ago

Which would be an example of a compound?<br> oxygen<br> carbon dioxide<br> sand<br> carbon

GenaCL600 [577]

Answer:

carbondioxide is an example of compound.

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3 years ago