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
vladimir2022 [97]
3 years ago
7

Which of the following is the correct formula for Ca2+ reacting with NO2??

Chemistry
1 answer:
mariarad [96]3 years ago
5 0

Answer:

B. Ca(NO2)2

Explanation:

Ions (charged atoms) combine with one another to form stable ionic compounds. In this case, calicium ion (Ca2+) is said to react with NO2, which has a charge of -1 i.e. +1-1(2) = 1-2 = -1.

This means that calcium has a charge of +2 while nitrite ion has charge of -1, hence, when they combine, they exchange their charges, which become their subscript as follows:

Ca2+ + NO2- → Ca(NO2)2

Ca(NO2)2 is a stable ionic compound called calcium nitrite. Notice that it takes two atoms of NO2- to react with one atom of Ca2+.

You might be interested in
Why does chlorine react vigorously with hydrogen in the presence of sunlight?
AleksandrR [38]
Chlorine react vigorously with hydrogen in the present of sunlight because chlorine has a great attraction for hydrogen's electron. During the reaction, chlorine  and hydrogen will donate one electron each from their valence electrons which will be shared equally by both elements, thus forming a covalent bond.
6 0
2 years ago
Chlorite anion was exposed to strong radiation and had 2 successive electrons removed, creating a chlorite cation. What is the m
katrin [286]

Answer:

bent

Explanation:

The chlorite ion has been pictured in the image attached with its two main resonance contributors.

The ion has four regions of electron density as shown. On the basis of the VSEPR theory, we expect a tetrahedral geometry.

However, the ion is bent due to the effect of the lone pairs on chlorine which is the central atom in the ion. This distorts the bond angle of the ion hence the ion has a bent molecular geometry.

7 0
3 years ago
Can anyone here help me with chemistry
Kay [80]
The answer is 20g N2
5 0
2 years ago
What is a sign that a person may be abusing drugs?
lidiya [134]

Answer:

answer is a because drugs do so to the person.

6 0
3 years ago
Read 2 more answers
PLEASE HELP DUE SOON
jonny [76]

Answer:

This is all true if the atom has to be neutral.

Also what does V mean?

Helium: one shell with 2 neutrons and 2 protons in the center, with 2 electrons in the first shell.

Lithium: two shells with 4 neutrons and 3 protons in the center, with 2 electrons in the first shell, and 1 electron in the second shell.

Nitrogen: two shells with 7 neutrons and 7 protons in the center, with 2 electrons in the first shell, and 5 electrons in the second shell.

Flourine: two shells with 9 protons and 10 neutrons in the center, with 2 electrons in the first shell, and 7 electrons in the second shell.

Neon: two shells with 10 neutrons and 10 protons in the center, with 2 electrons in the first shell, and 8 electrons in the second shell.

Boron: two shells with 6 neutrons and 5 protons in the center, with 2 electrons in the first shell, and 3 electrons in the second shell.

3 0
2 years ago
Other questions:
  • Where does energy go after it has been used?
    11·1 answer
  • How many grams of CO2could be produced from the combustion of 23g of C4H10in the presence of an adequate amount of O2?
    9·1 answer
  • The lab procedure you just studied involves
    9·1 answer
  • How can you test the complete separation of camphor and sand​
    13·2 answers
  • Can a window pane be considered a mineral?
    13·2 answers
  • Explain why a sodium atom and a chlorine atom undergo an iconic bond?
    8·1 answer
  • Functions of the skin other than thermoregulation​
    8·1 answer
  • The complex [Ni(CN)4]2- is diamagnetic and the complex [NiCl4]2- is paramagnetic. What can you conclude about their molecular ge
    15·1 answer
  • Compare the way that frogs breathe when they are tadpoles with the way frogs breathe when they are adults.
    7·2 answers
  • For a wind farm to be effective, it needs to be in a place with what kind of wind?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!