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
shtirl [24]
3 years ago
7

Which electron configuration represents an atom of lithium in an excited state?

Chemistry
1 answer:
creativ13 [48]3 years ago
8 0
There are many options, such as: 2-0-1, 1-1-1, 0-1-2, but they must all equal 3 electrons in total
You might be interested in
Help with this question plz
Triss [41]
Increase, because you need heat to melt a solid to a liquid, so the temperature will have to get greater.
6 0
4 years ago
Based in the rules of John Dalton, what is a possible hypothesis that could be tested in the Atomic Theory lab?
marshall27 [118]
<span>After many experiments and many different approaches to the question, the scientist may be able to develop a theory. The theory explains why nature behaves in the way described by the natural law. It answers not only the original question, but also any other questions that were raised during the process. The theory also predicts the results of further experiments, which is how it is checked. Theories are not the end of the process.</span>
8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP! AND PLEASE DO NOT GIVE ME ANY VIRUSES!
sertanlavr [38]

Answer:

The first one and the last one.

Explanation:

Carbon dioxide is generated by cellular respiration and released into the atmosphere.

Photosynthesis makes oxygen that plants can release into the atmosphere.

8 0
2 years ago
Determine the mass of MgCl2 needed to create a 100. ml solution with a concentration of 3.00 M.
kiruha [24]

Explanation:

1000ml \: contain \: 3 \: moles \\ 100 \: ml \: will \: contain \: ( \frac{100 \times 3}{1000} ) \: moles \\  = 0.3 \: moles \\ RFM = 95 \\ 1 \: mole \: weighs \: 95 \: g \\ 0.3 \: moles \: weigh \: ( \frac{(0.3 \times 95)}{1}  \: g \\  = 28.5 \: g \: of \: magnesium \: chloride

5 0
3 years ago
An atom of 40 18 Ar has a nucleus that contains a total of
Cloud [144]
The correct answer is b, 18 protons
4 0
3 years ago
Read 2 more answers
Other questions:
  • Strip mining is less harmfull to the environment than shaft mining but more dangerious to minders
    7·2 answers
  • A piston containing 0.120moles of methane gas, CH4, has a volume of 2.12liters. If methane is added until the volume is increase
    6·1 answer
  • Nitrogen (n) atomic number = _____ atomic mass = _____ number of protons = _____ number of neutrons = _____ number of electrons
    14·1 answer
  • What time did frosty die in frosty meets his demise
    11·1 answer
  • A soild reactant is placed in to a beaker of warm water. The liquid vigorously bubbles as the solid dissolves into the solution.
    7·1 answer
  • Can anyone help me please with this please
    9·1 answer
  • Multiple choice-- please help!
    9·1 answer
  • Solving for volume, what units do you use?
    5·1 answer
  • What is energy, what is power, and how are they related?
    5·2 answers
  • I have a container of gas at a pressure of 2.4 atm and a temperature of 343 K with a moveable piston and a small opening that ha
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!