30. which if the following atoms has the greatest metalic chracter?
A) Au,
B) Cs
C) Ti
D) Cu
E)Be
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30. which if the following atoms has the greatest metalic chracter? A) Au, B) Cs C)...
which one of the following atoms has the greatest electronegativity? A) Sr. B) K. C) Cu. D) Te. E) O
Which of the following atoms should have the greatest polarizability? A) F B) Br C) Po D) Pb E) He
25-30 25. Which of the atoms listed below is the most electronegative? A) Li B) Cs C)P D) As E) Ge 26. The number of pi bonds in the molecule below is ?? ?? A) 2. B) 4. C) 6. D) 10. E) 15 27 Which of the following molecules have the same geometries? 28. Which of the following is a basic oxide? 29. Which of the following elements behaves chemically similarly to oxygen? 30 Lanthanide (or rare earth elements)...
QUESTION 6 Which of the following has the greatest number of atoms? A. 1.0 mol He B.0.60 mol H2 C.20 g potassium D.8.5 mL H20 (Density of H20 = 1 g/mL) E 22.6 g KMnO4
8. Which of the following atoms has the largest magnitude electron affinity? (a) Sodium (Na) (b) Rubidium (Rb) (c) Caesium (Cs) (d) Potassium (K) ( e) Lithium (Li)
Which of the following samples contains the greatest number of atoms? A) 100 g of Pb B) 2.0 mole of Ar C) 0.1 mole of Fe D) 5 g of He E) 20 million O2 molecules
A.S' B. Si C. AU D.Ag E. SI 25. Predict the charge that a calcium ion would have 1.6 B. 2 c.r D. 2* Er 26. Give the number of neutrons in P A. 18 B.12 C . 19 D. 15 E. 16 E. 144 g 27. What mass (in g) does 5.68 moles of Kr have? A. 334 g B. 476 g c.211g D. 240 g 28. How many moles are in 2.86 x 10" atoms of Zn? A....
3. [4 points] Circle the species in each of the following sets of atoms/ions that has the larger radius. (a) F, Li oro (b) Cs, Li or Na (c) V, V or V5+ (d) , or O- 4. (5 points) Which of the following sets of ions are isoelectronic with each other? (a) Cl,K,S (isoelectronic/not isoelectronic) (b) Mg, Nat, CI (isoelectronic/not isoelectronic) (c) Cap, Ga, Br (isoelectronic/not isoelectronic) (d) Co, Fe, Ni? (isoelectronic/not isoelectronic) (e) Sc Ti V- (isoelectronic/not isoelectronic)...
3. Draw Lewis symbols or structures for the following atoms, ions, or compounds. (a) Cs (b) MgCl2 (c) Se (d) CN- (e) P? 1. Identify polar covalent bonds or ionic bonds formed in the binary compounds below. (a) C and S (b) Al and CI (c) C and o (d) Ca and o Calcollowing molecules and
Of the following atoms, which has the largest first ionization energy? A). P B). N C). C D). Si E). B