Using the periodic table to locate each element, write the electron configuration of(a) Ru;
1 answer:
Ruthenium is a chemical element with the symbol Ru and atomic number 44. The electron configuration of Ru is .
<h3>How to write an electronic configuration?</h3>
- Find the supplied element's atomic number on the periodic table and identify it.
- The energy level and kind of orbital should be listed first, followed by the number of electrons in the orbital in superscript.
- The Aufbau principle's diagonal rule for electron filling order in the various subshells is the simplest way to express the electronic configuration of any element.
- The Aufbau rule, the Pauli-exclusion rule, and Hund's Rule are the three rules that must be followed when expressing the electron configuration in the orbital box diagram.
Ruthenium exists a chemical element with the symbol Ru and atomic number 44. The electron configuration of Ru is .
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Answer: 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.
Explanation:
According to the dilution law,
where,
= concentration of stock solution = 12.0 M
= volume of stock solution = ?
= concentration of diluted solution= 6.00 M
= volume of diluted acid solution = 500 ml
Putting in the values we get:
Thus 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.