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scoundrel [369]
4 years ago
7

Which is the electron configuration for lithium

Chemistry
1 answer:
creativ13 [48]4 years ago
7 0

Answer:

The electron configuration is [HE] 2s1

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In the first paragraph, the words "disrobed," "unveiling" and<br> "deconstructed" primarily serve to
Solnce55 [7]

Complete Question:

In the first paragraph, the words “disrobed,” “unveiling” and “deconstructed” primarily serve to (a) highlight the negative connotations that laser technology currently has, (b) emphasize the extensive reach of laser technology; (c) demonstrate the inherently unknowable characteristics of objects, even with laser technology; (d) implicitly compare lasers to other forms of technology

Answer:

(b) emphasize the extensive reach of laser technology;

Explanation:

The use of the word disrobed and deconstructed from the passage emphasizes the extensive reach of laser technology. Even without looking up the dictionary meaning of the two words, one can easily deduce that the passage is a pro-laser technology one.

  • The passage presents the use of the laser technology in solar exploration.
  • It also show its use by ecologists.

#learnwithBrainly

8 0
3 years ago
Read 2 more answers
What is the balanced equation of iron (iii) hydrogen carbonate?​
Lynna [10]
<h3>Answer:</h3>

2Fe(HCO₃)₃ → Fe₂(CO₃)₃ + 3H₂O + 3CO₂

<h3>Explanation:</h3>
  • A decomposition reaction is one in which a large compound is broken down into smaller compounds or individual elements.
  • The decomposition reaction Iron (iii) hydrogen carbonate yield iron (iii) carbonate, water and carbon dioxide.

        Fe(HCO₃)₃ → Fe₂(CO₃)₃ + H₂O + CO₂

  • A balanced equation is the one in which the number of atoms of each element are equal on both side of the equation.
  • Therefore; the balanced equation for the decomposition of Iron (iii) hydrogen carbonate is given by;

2Fe(HCO₃)₃ → Fe₂(CO₃)₃ + 3H₂O + 3CO₂

6 0
3 years ago
Does a laboratory balance measure mass or weight
kolezko [41]
A balance in a lab measures the weight of a substance or object.
Weight is the mass of the body x the gravitation pull on the mass of the object.

So the mass of the object can be found by dividing the weight by gravitational constant.

The gravitational constant on earth is 1. so if a balance says that a substance weighs 300g then its mass is also 300g on earth because 300/1 = 300.

Hope that helps :)
5 0
4 years ago
Which pair represents isotopes?
Taya2010 [7]

Answer:

A. All of the other answers are correct

Explanation:

Each pairs are from the same elements, meaning they share the same atomic number but different nucleon number (neutron number + atomic number). Thus, all of the answers are correct.

7 0
3 years ago
Read 2 more answers
Which of the mechanical waves below has the greatest energy?
Volgvan

Answer:

Blue wave.

Explanation:

  • The energy of a wave depends on its amplitude. A wave having more amplitude will have greatest energy while a wave having small amplitude will have least energy.
  • The given figure shows four waves that are shown with green, orange, blue and red color.
  • It is very clear from the figure that the amplitude of blue wave is greatest of all the wave.
  • Hence, blue wave will have greatest energy.
3 0
4 years ago
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