Astroid is the answer to the problem
Answer:
Wavelength of the first four spectral line:
Explanation:
Lman series when electron from higher shell number and jumps to 1st shell then all the possible lines is called as lyman series.
to calculate wavelength of first four spectral line:
For hydrogen Z=1;
by using rydberg equation
1. n=2 to n=1
=rydberg constant
2. n=3 to n=1
3. n=4 to n=1
4. n=5 to n=1
Answer:
D) The electrons move around the nucleus in an electron cloud
Explanation:
i just did it on usa test prep !
A solution may exist in any phase so your answer is D. any of the above
hope this helps :)
Answer:
Phosphorus
Explanation:
A group is a vertical column on the periodic table.
A period is a horizontal row on the periodic table.