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
Pie
3 years ago
6

If an element A has 3 shells and has 3 valence electrons, write formulas for the following:

Chemistry
1 answer:
Ilya [14]3 years ago
6 0

Electron configuration

an element A has 3 shells and has 3 valence electrons

so electron configuration of A: 1s², 2s², 2p⁶, 3s², 3p¹

will tend to lose 3 electron to form a cation: A³⁺

a. Nitrate of A

A(NO₃)₃

b. Chloride of A

ACl₃

c. Oxide of A

A₂O₃

You might be interested in
Which of the following elements has a complete outer shell of electrons? A. Iron (Fe) B. Hydrogen (H) C. Neon (Ne) D. Nitrogen (
Julli [10]

Answer:

The answer is Neon

3 0
3 years ago
Which place in the world has the highest average annual precipitation?
alekssr [168]

Answer: Colombia

Explanation:

6 0
3 years ago
Read 2 more answers
What are the smallest units of matter?<br> O molecules<br> O atoms<br> O compounds<br> elements
mafiozo [28]

Answer:

atoms

Explanation:

letters yo make 20 words

4 0
3 years ago
Read 2 more answers
Matter is made up of heat energy and ___________energy?
ella [17]
You’re correct, matter is made up of heat energy and chemical energy

all matter contains heat because it is the result of the movement of atoms, molecules, or ions in solids, liquids, and gases.

all matter also contains chemical energy. chemical energy is stored in the bonds of chemical compounds so atoms and molecules are held together by chemical energy

hope this helps :)
3 0
3 years ago
Distinguish between zinc nitrate and lead nitrate ​
Kobotan [32]

Answer:

Zinc nitrate gives white ppt. which dissolves in excess ammonium hydroxide and produce a colorless solution whereas lead nitrate gives a chalky white ppt. of lead hydroxide which doesnot dissolve.

Explanation:

Hope this helps :)

7 0
3 years ago
Other questions:
  • A speed-time graph shows a line sloping downward. How was the speed changing?
    11·1 answer
  • What type of fuel is burned in a nuclear power plant?
    10·1 answer
  • What does the formula 2n2 represent?
    7·1 answer
  • You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the rea
    5·1 answer
  • How many energy level does carbon have
    6·2 answers
  • What is the purpose of the arrow in a chemical equation? A. It indicates the direction in which the reaction occurs. B. It separ
    7·2 answers
  • Sulfurous acid, H2SO3, breaks down into water (H20) and sulfur dioxide (SO2).
    9·1 answer
  • Which of the following correctly lists the elements Li, N and F in decreasing order of their atomic radi?​
    10·1 answer
  • Order these by size/complexity in descending order. (largest/most complex on top) Reorder answers
    12·1 answer
  • I need to know “ The carbon atom that has the chlorine atone has an optical activity “
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!