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Q: What is an equivalent expression for 3f 4s 2f?
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Which of the orbital designation are invalid 4s 3f 2d 3d?

The orbital designations 3f and 2d are invalid. The letter "f" is not used to designate orbitals, and the numbers in the designation should follow a specific order: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, etc.


What is the equivalent fraction of 3 4s?

equivalent fraction of 3/4 = 6/8


What is the simplified expression of 0.50(7l plus 4s)?

If that is l and not 1 then it is 3.5l+2s when simplified


What is the maximum number of electrons in 3f?

3f can not exist by the Aufbau principle, quantum mechanics and Hunds rules. In level one there is only 1s In level 2 there is 2s and 2p In level 3 there is 3s, 3p and 3d Only in level 4 and beyond is there an f shell. In level 4 there is 4s, 4p, 4d and 4f. The 4f can hold up to 14 electrons.


-4s plus 24-8s plus 16?

The simplified expression is 40 - 12s


What decimal number is equivalent to 4 over 9?

.444444444444444444444444 (the 4s go on forever)


Are three fourths and five sixths equivalent?

no 5/6s is larger than 3/4s


Which of these orbital designations are invalid a. 4s b. 2d c. 3f d. 3p?

The s orbital is present in all valid principal quantum number shells.The p orbital is present in n = 2 and higher.The d orbital is present in n = 3 and higher.The f orbital is present in n = 4 and higher.So the invalid ones are b (there are no 2d orbitals) and c (there are no 3f orbitals). 4s and 3p are perfectly legitimate.


Factor 25r2-60r plus 144?

It can't be factored because the discriminant of the given quadratic expression is less than zero


What is -4s-16?

16s + 4s = 20s


What is -4s -16?

16s + 4s = 20s


The latest model of iPhone is 4 or 4S?

4S