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arlik [135]
3 years ago
6

What is the correct Lewis structure for a molecule of ammonia, NH3?

Chemistry
1 answer:
Delvig [45]3 years ago
5 0
It’s hard to show by that so I will include a pic

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When 13.6 grams of kcl are dissolved in enough water to create a 180-gram solution, what is the solution's concentration, expres
bonufazy [111]
7.6% KCl I had the same problem on my semester exam for summer school
8 0
3 years ago
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Clasifica los siguientes elementos en metales, no metales, metaloides , o gases , nobles : flúor , azufre , nitrogeno , cloro ,
professor190 [17]

Answer:

<u>  Translation:</u>

Classify the following elements into metals, nonmetals, metalloids, or gases, noble : fluorine, sulfur, nitrogen, chlorine, magnesium, helium, sodium, bromine, silicon, tellurium.

  • Metals: magnesium and sodium.
  • Nonmetals: fluorine, chlorine, bromine, sulfur and nitrogen.
  • Metalloids: silicon and tellurium.
  • Noble gases: helium.

Explanation:

Metals: They occupy the left and central areas of the Periodic Table; therefore, they constitute a majority group of the elements.

Nonmetals: They are located in the upper right region of the Periodic Table.

Within the Periodic Table, the metalloids lie diagonally from boron to polonium. Items above on the right are nonmetals, and items below on the left are metals.

The noble gases are located in group 18 of the Periodic Table.

7 0
3 years ago
Read 2 more answers
I have a block of gold and the density is 13.54g/ml If I cut the block in half what is the density of the smaller pieces of gold
Delvig [45]

Answer:

<u><em>Density is the same</em></u>

Explanation:

The density remains the same because cutting the object in half will divide the mass & volume by the same amount. Also, the density of a substance remains the same no matter what size it is.

5 0
3 years ago
If you took a spoonful of tea out of the cup, which would be more painful if it spilled on you? *
serg [7]
Based on my understanding of this question in my opinion atleast small sharp pain is worse so the cup would be more painful as it would spread that sensation over a large part of the body. (Hope this helps have a great day)
6 0
3 years ago
Question 1 (1 point)
stealth61 [152]

Answer:

Q1: 9

Q2:10

Q3: 50

Q4:True

Q5: False

Q6:False

Q7:True

Explanation: Just took the quiz

6 0
3 years ago
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