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Lostsunrise [7]
3 years ago
13

Which two of the following elements would you expect to be most similar: nitrogen, chlorine, barium, fluorine, and sulfur? 

Chemistry
2 answers:
Anon25 [30]3 years ago
8 0
Nitrogen clorine flourine and sulfur
myrzilka [38]3 years ago
6 0

Answer:

Chlorine and Flourine

Explanation:

It is important to identify the groups in which the elements being to. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.

Since elements in a group have the same number of valence electrons, they behave similarly in chemistry.

Nitrogen - Group 5

Chlorine - Group 7

Barium - Group 2

Flourine - Group 7

Sulphur - Group 6

This means the most similar elements would be flourine and Chlorine because they are both group 7 elements.

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Draw the product formed when oleic acid is hydrogenated.
lesya [120]

Oleic acid belongs to class of alkene and in alkenes, addition of H-H across C=C that is carbon carbon double bond results in the formation of alkane as a product in the presence of specific catalyst such as nickel, palladium and platinum.  The reaction is said to be hydrogenation reaction.

Oleic acid (C_{17}H_{33}COOH) consist of 17 carbon atoms attached to 33 hydrogen atoms with one double bond between two carbon atoms and one carboxylic group i.e.(-COOH). When oleic acid is hydrogenated or reacts with hydrogen in the presence of catalyst, then the carbon carbon double breaks by the addition H-H and alkane product i.e. stearic acid  (C_{17}H_{35}COOH) is formed.

The chemical reaction is shown in the image.

7 0
3 years ago
Aluminum has a density of 2.70 g/mL. Calculate the mass (in grams) of a piece of aluminum having a volume of 417 mL .
bixtya [17]

Answer:

m = 1125.9 g.

Explanation:

Hey there!

In this case, according to the given information, it turns out possible for us to solve this problem by using the definition of density as mass divided by volume:

d=\frac{m}{V}

Thus, we solve for the mass in the equation to obtain:

m=d*V

Then, we plug in the values to obtain:

m=2.70g/mL*417mL\\\\m=1125.9g

Regards!

5 0
3 years ago
Binary ionic compounds are named in what pattern?
Tema [17]
Binary ionic compounds are named in the following pattern: metal followed by the nonmetal.
5 0
4 years ago
Read 2 more answers
many reactive chemicals are stored in containers filled with Argon gas for safekeeping what about Argon's atomic structure makes
Ulleksa [173]

Answer:

Argon has 8 valence electrons making it non reactive.

Explanation:

Reactive chemicals are store in containers filled with Argon gas because the argon gas is non reactive. This is true because the argon gas has completely filled octet structure.

This can further be explained by writing the electronic configuration of argon.

The electronic configuration of argon is given below:

Ar (18) => 1s² 2s²2p⁶ 3s²3p⁶

Valence electron => 3s²3p⁶ = 2 + 6 = 8

From the above illustration, we can see that the outermost shell (i.e 3s²3p⁶) is having 8 electrons indicating that it is completely filled as the maximum number of electrons any shell can accommodate outside the first shell is 8 electrons. Thus, argon has 8 valence electrons ( i.e electrons in the outermost shell) and hence it is non reactive as the outermost shell is completely filled.

4 0
3 years ago
Which of the following statement is not true?
konstantin123 [22]
I believe C is the answer <span />
4 0
3 years ago
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