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Which atom in each group (I and II) has the smallest atomic radius? (1) Ca, Ti,...
Which atom in each group (I and II) has the smallest atomic radius? (1) Ca, Ti, Br (II) O, S, Se A) Ca; O B) Ca; Se C) Br; O D) Br; Se ОА OB Ос OD
E) [Ar]3d04s44p 2) How many lone pairs of electrons are on the O atom in OF2? A) 0 B) 1 C) 2 D) 3 3) Which atom in each group (I and II) has the smallest atomic radius? (I) Ca, Ti, Br (II) O, S, Se A) Ca; Se B) Br; Se C) Br; O D) Ca; O 4) How many valence electrons are there in a Bi atom? A) 2 B) 3 C) 4 D) 5 E) 6 5)...
1. a) (1 mark) Arrange these elements in order of increasing atomic radius, from smallest to largest: Sb, S, Pb, Se Smallest smallest b) (1 mark) Arrange this isoelectronic series in order of increasing radius, from smallest to largest: Se?, Sr2*, Rb, Br Smallest Largest c) (1 mark) Arrange these elements in order of increasing first ionization energy, from smallest to largest: CI, S, Ge, Pb smallest < < < Largest NAME AND STUDENT NUMBER: 2. (4 marks) A molecule...
Quiz 4 Periodic Trends 1. Atomic and ionic radius trends. Circle ONE atom or ion from EACH pair that has the larger radius of the two. A. P or As B. Clor Cl C. Na or Mg D. Cr or Cr E. Br or Se 2. Isoelectronic pairs. Which of the following pairs is isoelectronic. Report the letter (A, B, C, etc) of your answer in the space beside the question number. A. P and As B. Cl and CI...
Rank as indicated: A. Smallest to largest Zeff: Cl, Mg, P B. Largest to smallest radius: S, Cl, Se C. Largest to smallest ionization energy: Ba, Br, Ca D. Smallest to largest radius: O2-, Na1+, Ne E. Lowest to highest electronegativity: O, Al, S
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
Question 10 Select the ion/atom from each set with the largest ionic/atomic radius. ✓ [ Select ] Se-2 Sr^+2 2. Select 3. Select] Question 10 1 pts Select the ion/atom from each set with the largest ionic/atomic radius. 1. (Select) [ Select] Ca+2 Ba +2 3. [Select) Question 10 Select the ion/atom from each set with the largest ionic/atomic radius. 1. Select ] 2. [Select] ✓ Select] C
8. In general, atomic radii a. decrease from left to right in a period and increase down a group. b. increase from left to right in a period and decrease down a group. c. increase from left to right in a period and increase down a group d. decrease from left to right and decrease down a group. e. None of the above. Which of the following statements about different elements are true? 1. As is a metalloid and Se...
Question 20 In which of the following pairs is the first atom atomic radius larger than the second atom? O a. K. Ca O b.Ne. Ar Oc. ci, P O d.o. S
a) Which element has the larger atomic radius? Se or S B or O Cu or Ti b) Rank the radii of the below species in increasing order: N3+; N; N5+; N3- Ca2+; Cr6+; Rb+; As3-