1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Marina CMI [18]
4 years ago
10

Which of these statements correctly describes the use of formal charge in choosing between possible Lewis structures to describe

a molecule?
I. Formal charge on all the atoms should be zero, or at least the smallest possible value.
II. he sum of the formal charges on all the atoms should equal the charge on the molecule or ion.
Ill. The formal charge on an atom is not affected by the of the atom. nitrogen will containing nitrogen and oxygen, the Lewis structures with a charge on the
IV. contribute the most to the description of the bonding.

a. II and III only
b. II and IV only
c. I and III only
d. III and IV only
e. I and II only
Chemistry
1 answer:
Pepsi [2]4 years ago
3 0

Answer:

e. I and II only

Explanation:

A Lewis structure is refer to as a structural representation of a molecule in which dots are used to represent the positions of electrons around the atoms and lines/dot pairs are used to show the covalent bonds between atoms.  A Lewis structure can be sketched for any given covalently-bonded molecule and coordination compounds. Therefore, in this problem, the correct statements are:

I. Formal charge on all the atoms should be zero, or at least the smallest possible value.

II. The sum of the formal charges on all the atoms should equal the charge on the molecule or ion.

Option e. I and II only

You might be interested in
An empty party balloon will float to the ceiling of a room once it is filled with helium.
lidiya [134]
Helium is a gas composed of itself, were air is composed of Oxygen and Nitrogen making the air more dense than the helium making it float to find other gases


Two factors to change are Air pressure (due to the balloon moving ) and the helium making the balloon rise.


That's about all I can explain...hope this helps >.< 
5 0
4 years ago
Is calcium carbonate chemical change ?
N76 [4]

Calcium oxide is known as lime and is one of the top 10 chemicals produced annually by thermal decomposition of limestone. .Over time, this reacts with carbon dioxide in the air to form crystals of calcium carbonate, which lock the sand grains together to form a hard rock-like material.


7 0
4 years ago
Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at whi
BaLLatris [955]

Answer:

The angle at which the light from the ray box strikes the mirror  

Explanation:

The independent variable is the variable that the investigator changes. The question states that Alice "changed the angle at which the light from the ray box struck the mirror."

The light box and the direction of the ray are wrong. They are controlled variables.

The angle of the reflected light is wrong. It is the dependent variable.

6 0
3 years ago
18 grams<br> 4 kilograms<br> 8 kilograms
Rina8888 [55]

Answer:

1 18 grams

2 500g

4 960 grams

5 7 kilograms

5 0
3 years ago
Help me with this please
blagie [28]
7800 x 30,000 = 234 million
(7.8 x 10 3rd power)(3.0 x 10 4th power)
3 0
3 years ago
Other questions:
  • Litmus paper is made from water-soluble dyes which are extracted from lichens. This paper is used as an acid-base indicator. Whi
    9·1 answer
  • What was Antoine Henri Becquerel studying when he discovered radioactivity?
    10·1 answer
  • Suppose you were calibrating a 100.0 ml volumetric flask using distilled water. the flask temperature was at 20°c, and you assum
    13·1 answer
  • What is the concentration of chloride ions in a solution formed by mixing 150. mL of a 1.50 M NaCl solution with 250. mL of a 0.
    8·1 answer
  • Match each vocabulary word with its definition. match the items in the left column to the items in the right column. 1 . periodi
    5·2 answers
  • Please helpp!!! due todayyyy<br> Answer the 4 questions
    6·1 answer
  • If a pure compound is distilled, the head temperature will be____compared to the pot temperature. If however, an impurity is pre
    8·1 answer
  • Interested girl can jo.in me.et znmvzfgwjh​
    14·2 answers
  • help me please. Can you please explain to me how to solve them? you can also send me a photo if that's better for you. thanks al
    9·1 answer
  • A sample of material is found to have a mass if 33.03 grams (g), and a volume of 2.624 ml. this is a sample of which of the coin
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!