What is the correct electron configuration for carbon?a. 1s22s22p2
b. 1s22s22p4
c. 1s22s22p5
d. 1s22s22p63s23p2

Answers

Answer 1

Answer: It is A; [He] 2s² 2p² is another way to put it

Answer 2

Answer:

Your answer would be A.

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Which of the following metal atoms would have the highest conductivity?A.the atom with the smallest radius and the fewest valence electrons
B.the atom with the smallest radius and the most valence electrons
C.the atom with the largest radius and the fewest valence electrons
D.the atom with the largest radius and the most valence electrons

Answers

Answer: Option (d) is the correct answer.

Explanation:

A metal which has the largest size and the most valence electrons would have the highest conductivity because the larger is the size of a metal the more freely electrons can move in it. Hence, the metal can conduct electricity.

If the atom is smaller in size then the electrons will be tightly held around the nucleus and hence they won't be able to move freely. Therefore, they will not conduct electricity.

Thus, we can conclude that the atom with the largest radius and the most valence electrons would have the highest conductivity.

Answer:

D. the atom with the largest radius and the most valence electrons

Explanation:

Which substance is an Arrhenius acid?
(1) LiF(aq) (3) Mg(OH)2(aq)
(2) HBr(aq) (4) CH3CHO

Answers

Answer: Option (2) is the correct answer.

Explanation:

Arrhenius acid are the species that donate a $H^(+)$ ion or proton.

For example, $HBr \rightarrow H^(+) + Br^(-)$

Whereas LiF, $Mg(OH)_(2)$ , and $CH_(3)CHO$ are the substances which do not give a proton upon dissociation. Hence, they are not Arrhenius acids.

Therefore, we can conclude that $HBr(aq)$ substance is an Arrhenius acid.

HBr (aq) is an Arrhenius acid.
The equation is HBr(aq) -> H+ + Br-

How do you convert ethane to ethanoic acid? (with equation please).

Answers

Answer :

There are three processes involved in the conversion of ethane to ethanoic acid.

In first process, on the chlorination of the ethane in the presence of the sunlight or in the presence of U.V light, ethane converted into ethyl chloride.

In the second process, ethyl chloride react with the aqueous potassium hydroxide to give ethanol.

In the third process, ethanol react with an oxidizing agent (Alkaline potassium permanganate) to give ethanoic acid.

The reaction are shown below.

Ethane can be turned into its carboxylic acid form called the ethanoic acid by a series of steps. First chlirinate it in the presence of light. Then, add potassium hydroxide to get an alcohol. Finally, adding KMnO4 to oxidize it to a carboxylic acid. The equations are as follows:
C2H6 + Cl2 ---> C2H5Cl + HCl
C2H5Cl+KOH-> C2H5OH+ KCl.
C2H5OH ----KMnO4 ---> CH3COOH.

The density of a liquid form of a material is always less than the density of the solid form of that same material true or false

Answers

Answer:

False

Explanation:

This property depends on the intermolecular interactions of the analyzed compound.

In most cases, this property is fulfilled, but one of the most important exceptions is water since ice cubes float in liquid water which means that its density is lower than that of liquid water.

This is due to one of the types of bonds that binds hydrogen bonds to water molecules.

Hydrogen bridges are a molecular interaction that occurs between the hydrogen in one molecule of water and the oxygen in another molecule.

Recall the formula of the density

$d=(m)/(v)$

The volume is inversely proportional to the density this means that the lower the volume the higher the density and the higher the volume the lower the density.

This type of bonding means that when the $H_2O$ freezes there is more space between the molecules, then they occupy a larger volume

Therefore, if we have the same mass in the liquid state and the solid-state, the molecules in the liquid state will be closer together occupying less volume (higher density) and the molecules that are in the solid-state occupy a greater volume (lower density)

Almost always true. H2O is the exception as water is more dense than ice.

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