atomic fingerprint
Explanation:
The analogy is:
individual : identification card :: element : <u>atomic fingerprint</u>
An individual is represented and can easily be recognized by their respective identity cards. Most identification cards of people have their biodata which is composed of name, address, age, date of birth e.t.c. An identity card can solely be used to recognize and pick out a person.
Since the analogy seeks for a means to recognize elements, atomic fingerprints is good way;
- Atomic fingerprint is the emission or absorption spectra of an atom.
- It is a unique line of spectra that typifies an atom.
- Every atom have their respective spectra different from those of others.
- The atomic fingerprint can be used to identify an element.
learn more:
spectra lines of hydrogen brainly.com/question/1857156
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Answer:
Ar 3d3 4s2 is the electron configuration for Vanadium.
Answer : The volume of 
produced at standard conditions of temperature and pressure is 0.2422 L
Explanation :
Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.
The combined gas equation is,
where,
= initial pressure of 
gas = (740-22.4) torr = 717.6 torr
= final pressure of gas at STP= 760 torr
= initial volume of gas = 280 mL
= final volume of gas at STP = ?
= initial temperature of gas = 
= final temperature of gas = 
Now put all the given values in the above equation, we get:
Therefore, the volume of produced at standard conditions of temperature and pressure is 0.2422 L
Answer:
1) 0.423 m
2) 3.107 mi
3) 68.18 kg
4) 0.0083 mem
5) 0.528 gal
6) 4300 mL
7) 32.4 mem
8) 523.013 km
9) 70.866 in
10) 2.3 yek
Note: I can’t type the about equal to sign or the sign that shows a repeating decimal, so check the image for that and my work.
Explanation:
The answer is a. H+ and H2O. For a half-reaction in acidic solutions, elements that are not hydrogen and oxygen are balanced first. Then we add H2O to balance oxygen atoms and we add H+ to balance the hydrogen atoms. We do the same steps for basic solutions, but we also add hydroxide ions OH- in the latter part.
