The highest value of the ion is the nucleon number. The correct option is a.
<h3>What is nucleon number?</h3>
The mass number of an element is so named because it represents the total number of protons and neutrons in the element.
The total number of protons and neutrons in an atomic nucleus is known as the mass number, also known as the atomic mass number or nucleon number. It is roughly equivalent to the atomic mass expressed in atomic mass units.
In the given ion Q+, the nucleon number has the highest value in the ion
Thus, the correct option is a.
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Answer AND Explanation: <u>Carbohydrates</u> or sugars have three classes:
- Monossaccharides: made from a single polyhydroxy aldehyde or ketone unit;
- Oligosaccharides: formed by short chains of monossacharides united by glycosidic linkage;
- Polysaccharides: consist of a long chain of monossaccharides;
Monossaccharides are formed by a chain of unbranched carbon, all bonded by single bonds, except for a carbon that is double-bonded by an oxygen. This bond form a carbonyl group.
If the carbonyl is at an end of the chain, the carbon is aldehyde and the molecule is called aldose. If the group is in any other position, it is a ketone and is called ketose
So analysing each projection:
1) Carbon one is a aldehyde, which means is a carbonyl and there are no other carbons forming that bond, so it's a ALDOSE
2) Carbon two is attached to a ketone and other carbons aren't, so it's a KETOSE.
3) Carbon one is aldehyde, so it's ALDOSE
4) Carbon one is aldehyde, so ALDOSE
5) Carbon two is attached to ketone, so KETOSE
6) Carbon two attached to a ketone, so KETOSE
Answer:
Experiments to determine mechanisms involve looking at indirect evidence to help support or disprove a proposed mechanism.
Most intermediates are not typically isolated to determine reaction mechanisms.
Carbocations are very reactive and are typically not isolated for analysis.
Scientists can prove that a specific mechanism exists.
Evidence of intermediates sometimes can be seen using techniques such as nuclear magnetic resonance spectroscopy
Explanation:
The study of reaction mechanism and chemical kinetics often form the main thrust of study in organic, inorganic and physical chemistry.
We often want to know the actual processes involved in the conversion of one specie to another. Unfortunately, this information may have to be obtained indirectly by certain chemical reactions or by the use of new instrumental methods such as nuclear magnetic resonance spectroscopy.
Many organic reactions have carbocation intermediates. These carbocations are relatively short-lived and are transient intermediates which are rarely isolated unless they are isolated in a molecular cage using a macromolecule or in superacids.
By intensive study, scientists can proof or disprove the authenticity of any proposed mechanism.
We must know that a transition state has partial bonds. It is often an extremely short-lived specie which cannot be isolated.
Answer:
<em>the last option!!!!</em>
Explanation:
because its right
Answer: The concentration of given phosphoric acid solution is 0.357 M.
Explanation:
Given: = 25.00 mL,
= 35.77 mL, = 0.250 M
Formula used to calculate the concentration of phosphoric acid is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that concentration of given phosphoric acid solution is 0.357 M.