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
KiRa [710]
2 years ago
8

#12 PLEASE HELP IM TAKING A TIMED TEST

Chemistry
1 answer:
Goshia [24]2 years ago
3 0

Answer:

Option B

Explanation:

For the problem in question 12, option B is the correct choice. It rightly expresses how electrons will fill the third energy level of aluminum.

Aluminum is an element with 13 electrons. It has 3 energy levels.

 The shell notation is given as 2 8 3

 Sublevel notation  = 1s² 2s² 2p⁶ 3s² 3p¹

 The third energy level is given as 3s² 3p¹

  We can represent it as:  ⇅     ↑

                                            3s²   3p¹

You might be interested in
Identify the following as physical (P) or chemical (C) changes.
Stels [109]

holacomo es tu pregunta nola entiendo

lanation:

4 0
3 years ago
Read 2 more answers
Explain why solar energy is considered an inexhaustible source of energy
scoray [572]

Answer:

Solar power

Or in some cases, from heat from the sun. ... Solar energy is a renewable free source of energy that is sustainable and totally inexhaustible, unlike fossil fuels that are finite. It is also a non-polluting source of energy and it does not emit any greenhouse gases when producing electricity.

Explanation:

3 0
3 years ago
Read 2 more answers
Why water can reduce unpleasant smell that produce from methane gas ?
diamong [38]

Answer:Water contains Oxygen the purified the methane gas

Explanation:

7 0
3 years ago
Read 2 more answers
Given that hclo4 is a strong acid, how would you classify the basicity of clo−4?
Mandarinka [93]
As a conjugate base of a strong acid,ClO4-would be classified as having a negligible basicity. The basicity of a chemical species is normally expressed by the acidity of the conjugate acid. The basicity of an acid is the number of hydrogen ions, which can be produced by one molecule of the acid. 
8 0
3 years ago
The efficiency is the number of times a machine multiplies the input force <br> true or false
OlgaM077 [116]

Answer:

may be...... false not sure

Explanation:

4 0
3 years ago
Other questions:
  • Which of the following solutions when added to water will indicate that lead(II) ions are present? Please explain your reasoning
    10·1 answer
  • What is the molar mass of a substance?
    7·2 answers
  • What is the mass of a sample of iron if that sample lost 2300J of heat energy when it cooled from 80 oC to 30°C? The specific he
    11·1 answer
  • The system co2(g) + h2(g) ⇀↽ h2o(g) + co(g) is at equilibrium at some temperature. at equilibrium a 4.00 l vessel contains 1.00
    7·1 answer
  • What mass of HCl is needed to prepare 1.00 mole of Cl₂? 2 KMnO₄ + 16 HCl → 2MnCl₂ + 5 Cl₂ + 8 H₂O + 2 KCl
    7·1 answer
  • Anybody wanna help me with number 22? (Chemistry)
    9·1 answer
  • What is the difference between a helium atom and an alpha particle​
    13·1 answer
  • What happens when a wire passes through a magnetic field?
    5·2 answers
  • What type of physical weathering is caused by the expansion of water?
    10·1 answer
  • The electron configuration of an element is 1s22s22p63s1 Describe what most likely happens when an atom of this element comes ne
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!