d Yahoo Imported From Safari 1. An atom of which of the following elements has t
ID: 703494 • Letter: D
Question
d Yahoo Imported From Safari 1. An atom of which of the following elements has the smallest atomic radius? 2. Which of the following molecules is nonpolar? 3. The number of orbitals in a d subshell is A) 5. B) 1. C 7. D) 2. E) 3. 4. In 0.600 mol of dimethylhydrazine, (CHs) N2H2, there are A) 1.25x 1023 atoms. B) 4.33 x 1024 atoms. C) 3.61 x 10 molecules. D) 3.61 x 104 molecules. E) 2.17 x 104 atoms. 5. The formula for copper(I) phosphate is Cuz(PO4 Which of the following atoms is paramagnetic in its ground state? A) Sr B) Ni C) Zn D) Ne E) Be 6. 7. In the ICI4 ion, how many electron groups surround the central iodine atom? A) 4 B) 6 C) 3 D) 2 E) 5 8. How many grams of potassium are present in 11.9 g of K Cr,0? A) 0.609 g B) 782g C 1.58g D) 6.0g E) 3.16g 9. What is the ground-state electron configuration of Co 20 F1O 5Explanation / Answer
Ans 1
Option E is the correct answer
In the Periodic Table, on moving from left to right, atomic radii decreases because electrons are added to atoms thereby atomic radii decreases.
In the given options Astatine (At) has the smallest radius. On moving from left to right At is the last element among the given options.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.