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leva [86]
3 years ago
8

Draw the Lewis structure for SF2. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lon

e pairs of electrons. To change the symbol of an atom, double-click on the atom and enter the letter of the new atom.

Chemistry
1 answer:
katovenus [111]3 years ago
3 0

Sulfur and Fluorine are nonmetals so they will form covalent bonds to gain stability. To do so, they will follow the octet rule: they will share enough electrons so as to have their valence shell complete with 8 electrons.

Sulfur is in the Group 16 in the Periodic Table and has 6 valence electrons. Thus it must share 2 pairs of electrons to reach the octet.

Fluorine is in the Group 17 in the Periodic Table so each F has 7 valence electrons. Thus, each F needs to share 1 pair of electrons to reach the octet.

As a consequence, they will be bonded in the order F - S - F, with a single bond between each pair of atoms.

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If N gains 3 electrons from other atoms, why is it written N^-3 (with a -3)?
TiliK225 [7]

Answer:

Because number of electrons becomes greater than protons and atom form anion.

Explanation:

In order to understand this problem we must know about anion and cation.

Anion:

When an atom gain the electrons anion is formed. The negative sign shows that atom gain electron because number of electron are greater than protons or we can say that negative charge becomes greater than positive charge.

Cation:

When atom lose electron cation is formed. The atom thus have positive charge because number of positive charge i.e protons are increased are greater than negative charge or electron.

In given problem N gain three electrons which means negative charge becomes greater that's why the extra electron gained by atoms are written as -3.

3 0
4 years ago
a sample of tetrachloroethylene, a liquid used in dry cleaning that is being phased out because of its potential to cause cancer
Darina [25.2K]

The density of the liquid at the given temperature is 1.622 g/mL

<h3>What is density? </h3>

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

<h3>How to determine the density </h3>

The density of the liquid can be obtained as illustrated below:

  • Mass of liquid = 40.55 g
  • Volume of liquid = 25 mL
  • Density of liquid =?

Density = mass / volume

Density = 40.55 / 25

Density of liquid = 1.622 g/mL

Learn more about density:

brainly.com/question/952755

#SPJ1

4 0
2 years ago
anyone else go to a question and read though it and realize you brain is not that smart and just move on to a easier one LOL
irina1246 [14]

Answer:

Yeah I have done that many times  LOL

I mean who wouldnt do that

Explanation:

Hope this helps

MAy I get BraiNeist Pls?

7 0
2 years ago
A group of scientists must complete a study, but they have
Mashutka [201]

<u>The </u><u>scientific community </u><u>may act somewhat on restricted government </u><u>financing</u><u> circumstances throughout two ways:</u>

  • Source for further money.
  • Adjust this same scale and complexity of the investigation.

<u>Source for further money:</u>

  • A researcher anyone who has restricted equipment and materials to finish an investigation might cooperate with certain other scientists as well as establish networking to exchange resources, thoughts, and behaviors for the survey's completion.

<u>Adjust this same scale and complexity of the investigation:</u>

  • To decrease costs, the researchers might measure the study up by decreasing the levels initially intended for the investigation.

Learn more:

brainly.com/question/5960697

3 0
3 years ago
How many moles are in 15.0 g of copper (ii) sulfate?
galben [10]
<span>The molecular formula for Copper(II) Sulfate is CuSO4. 1 mole is equal to 1 moles Copper(II) Sulfate, or 159.6086 grams.I hope this is right </span>
7 0
4 years ago
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