1) Which of the following has the highest ionization
energy?
A. Ca
B. O
C. C
D. K
E. N
2) The bonds K2S are classified as _____.
A. nonpolar covalent
B. ionic
C. polar covalent
3) The bond CO is classified as _____.
A. nonpolar covalent
B. ionic
C. polar covalent
1) Nitrogen has highest ionization energy in given elements.
2) K2S is ionic compound.
3) CO polar covalent
1) Which of the following has the highest ionization energy? A. Ca B. O C. C...
Worksheet Chapter 6.1 Periodic Trends 1. Select the element with the highest ionization energy Name Date a F b. Ne d. Ar e. He 2. Which alkali metal is expected to have the smallest ionization energy? c. CI a. Li b. Na d. Cs e. Fr 3. Which of the following would be expected to have the smallest atomic size? c. Rb a. K c. Rb d. Sr e. Cs 4. Which of the following would be expected to have...
6. [4 points] Circle the species in each of the following pairs of atoms that has the higher first ionization energy (a) Cs or Rb (b) O or Te (c) Cl or Mg (d) Li or Ne 7. [5 points] Write the condensed electron configurations for the following ions (a) Mg Answer: (b) O Answer (c) Fe (d) Mn (e) Ni Answer Answer Answer 8. [4 points] Circle the solid in each of the following sets of ionic compounds that...
4) Which element has the highest electronegativity? A) Ge B) O C) B D) Ca 5) Which element has the highest electron affinity? A) Ge В) 0 С) в D) Ca E)K 6) of the 3 elements fluorine, bromine, and calcium, has the highest ionization energy and _has the lowest ionization energy. (Note that we are considering the first ionization energy). A) bromine; calcium B) calcium; fluorine C) fluorine; bromine D) fluorine; calcium E) none of these 7) Based upon...
12) Which of these ionic solids would have the highest melting point? A) NaCl D) Csi B) NaF E) CaCl2 C) CaBr2 13) The electronegativity difference between Element A and Element B is calculated to be 0.25. The bond they form would best be described as A) nonpolar covalent D) polyatomic B) polar covalent E) none of these C) ionic 14) Given the electronegativities below, which covalent single bond is most polar? Element: H C N O Electronegativity: 2.1 2.5...
Arrange the elements according to first ionization energy. Highest ionization energy! Se Lowest ionization enerov Question 1 Which term would best describe methane (CH4) in its frozen (solid) state? molecular solid with London dispersion forces 2) ionic solid ionic solid 3) molecular solid with hydrogen bonding forces O CPS (4) metallic solid (atomic solid with metallic bonds) (5) covalent network solid (atomic solid with covalent bonds)
these are unknowns A,B,C,D
Un altach to your Final Report Based on your experimental results and your knowledge of ionic and covalent classify each unknown as covalent or ionic. ledge of ionic and covalent bonds, D: 2. a) Which one of your unknowns had the lowest melting point? b) Consider the following substances: CO. Hz and LiF. Calculate the electronegativity difference (AEN) using the table in this Handout. (This table is also posted on Carmen under General Information). Rank from...
6) Of the following, which element has the highest first ionization energy? B) beryllium 6) A) boron C) lithium D) carbon 7) Identify the compound with covalent bonding A) H20 B) He C) s D) NaBr E) Na 8) How many lone pairs are on the Br atom in BrCl2-? A) 0 B) 1 c) 2 D) 3
Which of the listed alkaline earth elements (Be, Mg, Ca, Sr, or Ba) has the highest 1st ionization energy? 1pts Tries 0/3 Submit Answer Which of the listed elements (Si, P, S, or CI) has the largest (covalent) atomic radius? 1pts Tries 0/3 Submit Answer Select the element from the fourth period which has the least Pauling electronegativity? 1pts Tries 0/3 Submit Answer Which of the elements, from the second period, should form the least polar bond to hydrogen, based...
No
need to show any work
2) Ionic bonding is expected in which of these compounds? A) Cl2 B) KF C) OF2 D) HF E) H2 3) A polar covalent bond is found in which of these compounds? A) H20 B) F2 C) NaCl D) H2 E) N2 4) The bond in Cl2 is a(n) bond. A) ionic B) nonpolar covalent C) metallic D) polar ionic E) polar covalent
No need to show work
10) The HF bond can be classified as A) polar covalent B) nonpolar covalent C) ionic D) bent E) planar 11) Which is the most polar bond in the following list? A O-H B) S-O C) C-S D) I-I E) P-H 12) In the following list, which is the nonpolar molecule? A) H20 B) CCl4 C) HCI D) CH3F E) PC13 D) BF3 E) N2 13) In the following list, which is the polar molecule?...