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Fittoniya [83]
3 years ago
13

How are atoms arranged in molecular compounds?

Chemistry
1 answer:
frutty [35]3 years ago
4 0
Atoms<span> are </span>arranged in molecular compounds in groups. 
<span>
For </span>covalent compounds<span>: </span>
<span>consider drawing the lewis structure of the covalent compound in question, putting the atom which is least electronegative (save hydrogen) in the center.


</span>
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A chemistry student pours some liquid Mercury into and partially fills a graduated cylinder. She then adds liquid broming until
Dmitry_Shevchenko [17]
Omg I ain’t readying all that my head already hurts
4 0
2 years ago
Which elements are main-group elements?<br> 1. Te<br> 2. K<br> 3. V<br> 4. Re<br> 5. Ag
Shkiper50 [21]

Answer:

Te

K

Explanation:

Main group elements are elements designated and located on the s-block and p-block on the periodic table. The core group or prominent elements are the elements that make up those groups. These groupings comprise the most naturally rich and abundant elements. The main group elements are those whose characteristics are more predicted as a function of their periodic table location. From the given options, only Te and K are elements of the main-group.

5 0
2 years ago
1. What was the purpose of creating a sodium bicarbonate solution? What was the purpose of adding soap to the solution?
raketka [301]

Answer:

1. Source of carbon  

2. Removal of cuticle

Explanation:

You may have been doing a photosynthesis lab in a biology course.

1. NaHCO₃

The purpose of creating a sodium bicarbonate solution was to provide the carbon that the plant needs for photosynthesis.

2. Soap solution

The soap solution acted as a detergent.  It removed some of the waxy, water-repelling cuticle from the leaf's surface and made it easier for the sodium carbonate solution to get inside.

3 0
3 years ago
In an exothermic reaction, chlorine reacts with 2.0200g of hydrogen to form 72.926g of hydrogen chloride gas. how many grams of
Artemon [7]

Answer : 70.906 grams of chlorine reacted with hydrogen

Explanation :

Step 1 : Write balanced chemical equation.

The balanced chemical equation for the reaction between hydrogen and chlorine gas is given below.

H_{2} (g) + Cl_{2} (g) \rightarrow 2HCl(g)

Step 2 : Find moles of H₂ gas.

The moles of H₂ can be found as

mole = \frac{grams}{MolarMass}

We have 2.0200 g of H₂ and molar mass of H₂ is 2.02 g/mol.

Let us plug in these values to find moles of H₂.

mole =\frac{2.0200g}{2.02g/mol} = 1 mol

We have 1 mol of H₂.

Step 3 : Find moles of Cl₂ using mole ratio.

The mole ratio of H₂ and Cl₂ is 1 : 1.

The moles of Cl₂ can be calculated as

1 mol H_{2} \times\frac{1 mol Cl_{2}}{1 mol H_{2}} = 1 mol Cl_{2}

Step 4 : Find grams of Cl₂.

Molar mass of Cl₂ gas is 70.096 g/mol

Mass of Cl₂ = 1 mol Cl_{2} \times\frac{70.906g}{mol} = 70.906 g

We have 70.906 grams of Cl₂

4 0
3 years ago
When solute particles are added to a pure solvent in a closed container at a constant temperature and pressure, the vapor pressu
ELEN [110]

Answer:

Decreases

Explanation:

Hope this helps:) Good luck!

5 0
2 years ago
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