Magnesium is divalent. This means that one magnesium atom needs to lose 2 electrons in order to become stable.
Chlorine, on the other hand, is monovalent. This means that one chlorine atom needs to gain one electron in order to become stable.
Based on this, one magnesium atom will combine with two chlorine atoms, where the magnesium loses two electrons, one for each chlorine.
The formula of the compound formed is: MgCl2
A molecule and its chair flip are related by being labled as Conformational isomers
The process of rotating around single bonds to change one cyclohexane chair conformation into another. Axial substituents become equatorial upon cyclohexane ring flip, whereas equatorial substituents become axial.
<h3>What is Conformational isomers ?</h3>
Stereoisomers created by rotation (twisting) about -bonds are known as conformational isomers (also known as conformers, rotational isomers, or rotamers), and they frequently interconvert quickly at room temperature.
- For instance, butane contains three conformers related to its two methyl (CH3) groups: two gauche conformers with enantiomeric methyls that are spaced 60 degrees apart, and an anti conformer with coplanar four carbon centres and 180-degree-spaced substituents (refer to free energy diagram of butane).
Learn more about Conformational isomers here:
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Answer:
<h3>
<u>A). react with acid that is added and make a base.</u></h3>
explanation:
<em>Buffer solutions resist a change in pH when small amounts of a strong acid or a strong base are added.</em>
Answer:
The answer to the question is letter a. 2
Explanation:
Write the formula of each compound
Calcium hydroxide = Ca(OH)₂
Nitric acid = HNO₃
Water = H₂O
Calcium nitrate = Ca(NO₃)₂
Chemical Reaction
Ca(OH)₂ + HNO₃ ⇒ Ca(NO₃)₂ + H₂O
Reactants Elements Products
1 Ca 1
1 N 2
3 H 2
5 O 7
Balanced Chemical Reaction
Ca(OH)₂ + 2HNO₃ ⇒ Ca(NO₃)₂ + 2H₂O
Reactants Elements Products
1 Ca 1
2 N 2
4 H 4
8 O 8
Answer: 
.
Explanation:
= Wavelength of radiation
E= energy
Using Rydberg's Equation:
Where,
= Wavelength of radiation = ?
= Rydberg's Constant
= Higher energy level = 4
= Lower energy level = 1
Z= atomic number = 1 (for hydrogen)
Putting the values, in above equation, we get
The relationship between wavelength and frequency of the wave follows the equation:
where,
= frequency of the wave = ?
c = speed of light = 
= wavelength of the wave = 
The frequency of the light emitted by a hydrogen atom during a transition of its electron from the n = 4 to the n = 1 principal energy level is .
