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
lesya [120]
3 years ago
13

What is the noble gas electron configuration of aluminum (Al)? A. [Ne] 3s2 3p1 B. [Ne] 2s2 2p1 C. [Ar] 3s2 3p1 D. [Ar] 1s2 2s2 2

p6 3s2 3p1
Chemistry
2 answers:
Gekata [30.6K]3 years ago
6 0

[Ne] 3s2 3p1  So its A

erica [24]3 years ago
6 0

the atomic number of Al is 13. Atomic number of an element is the number of protons, atomic number is characteristic to the element. the element in its neutral form has an equal number of protons and electrons, hence its neutral

therefore number of electrons in Al is 13

electronic configuration is the order in which electrons are arranged in the respective energy shells and subshells

electronic configuration of Al is 1s² 2s² 2p⁶ 3s² 3p¹

noble gas electron configuration is where you find the noble gas just before Al in order of atomic numberand the noble gas just before Al is Ne with an atomic number of 10.

So replace 1s² 2s² 2p⁶ with [Ne]

then the noble gas electron configuration of Al is [Ne] 3s² 3p¹

You might be interested in
Which of the following is NOT a factor that determines how much energy we need?
german

Answer:

B) The amount of vitamin D gained in 1 day.

Explanation:

6 0
2 years ago
Read 2 more answers
What is true about all chemical equations?<br> Links are reported
Vanyuwa [196]

Answer:Your answer is A

Explanation:

Hope this helps ツ

6 0
3 years ago
A scientist finds an organism that cannot move. It has many cells and get food from its environment. In which Kingdom does it
Allisa [31]
An organism that does not move on its own and makes food from its environment is a producer.
7 0
3 years ago
Describe how an atom of copper can emit different colors of light. *<br> Your answer
miv72 [106K]

Answer:

Electrons on atoms have different amounts of energy proportional to the distance of their orbital from the nucleus. So in the flame, electrons get excited and pushed to higher energy levels by the heat energy. When they fall back down, they give off photons of light of different colors, based upon how far they fall.

3 0
2 years ago
Which property could allow a student to easily separate sand and iron filings? (1 point,
Artist 52 [7]

Magnetic separation is a method that uses magnetic force to remove the magnetically sensitive material from a mixture. Because iron is attracted by magnets, this is the ideal method for separating sand and iron fillings.

Magnetism was the physical attribute that allowed this combination to be separated. I used the magnet to separate the iron filing from the sand in the mixture. The magnet attracted the iron filings but not the sand. We were able to separate the iron filings from the sand as a result of this.

Because iron is magnetic while the other two are not, a magnet may be used to pull the iron filings out of the mixture while leaving the salt and sand. Sand is not water-soluble, although salt is. This implies they may be combined in water and swirled together. The salt dissolves, but the sand does not.

Learn more about Magnetic brainly.com/question/3617233

#SPJ9

5 0
1 year ago
Other questions:
  • Caffeine (C_8H_10N_4O_2) is a weak base with a K_b value of 4 times 10^-4. The pH of a 0.01 M solution of caffeine is in the ran
    13·1 answer
  • The mineral vanadinite has the formula pb5(vo4)3cl. what mass percent of chlorine does it contain?
    12·1 answer
  • MENTION THE NAME OF GAS FORMED WHEN CHALK PIECES ARE
    7·1 answer
  • How many hydrogen atom are present in 1.53 g of water
    13·1 answer
  • UV spectroscopy measures the energy required to promote an electron from the ________ molecular orbital to the ________ molecula
    15·1 answer
  • What feature of the sun changes to create the solar cycle?
    5·1 answer
  • Look up and compare the ionic radii of In3+, Mn3+, and Y3+ for a specific coordination number. Why do you think Mn3+ forms a sol
    10·1 answer
  • 3. Identify the 4 primary pigments found in plant leaves (name and color)
    7·1 answer
  • As atoms get smaller,valance electrons are getting closer or farther away?
    13·2 answers
  • How is the rate of a reflection affected when the temperature increases
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!