1
answer
0
watching
626
views
11 Nov 2019
4. Alkali Metals exhibit the lowest first ionization energy. Which family of elements do you expect to exhibit the ighest first ionization energy (IE,)? . Halogens b. Pnictogens c. Chalcogens d. Noble Gases e. Alkaline Earth -5. which of the following best describes why Zeff does not change significantly from top to bottom within a group? . The number of protons in the nucleus does not change significantly b. There are more completed electron shells d. There are fewer completed electron shells . There are more valence shells 6, Give the family of elements in the periodic table that contains the least metallic elements. â Halogens b. Pnictogens e. Alkaline Earth c. Chalcogens d. Noble Gases 7. Determine the number of moles of C in 8.221 g of carbon. 2.082 mol a. e. 1.055 x 104 mol b. 2.623 mol c. 0.6851 mol d. 1.370 mol - . Determine the mass in grams of 1.312 mol of Sc. a. 27.55 8 b. 5.250 g d. 0.3380 g e. 58.99 g c. 7.871 g --. write the electron configuration of a tin (Sn) atom (z-50). a. 1s 2s 2p 3s 3p 4s' 3d 104p 5s'4d
4. Alkali Metals exhibit the lowest first ionization energy. Which family of elements do you expect to exhibit the ighest first ionization energy (IE,)? . Halogens b. Pnictogens c. Chalcogens d. Noble Gases e. Alkaline Earth -5. which of the following best describes why Zeff does not change significantly from top to bottom within a group? . The number of protons in the nucleus does not change significantly b. There are more completed electron shells d. There are fewer completed electron shells . There are more valence shells 6, Give the family of elements in the periodic table that contains the least metallic elements. â Halogens b. Pnictogens e. Alkaline Earth c. Chalcogens d. Noble Gases 7. Determine the number of moles of C in 8.221 g of carbon. 2.082 mol a. e. 1.055 x 104 mol b. 2.623 mol c. 0.6851 mol d. 1.370 mol - . Determine the mass in grams of 1.312 mol of Sc. a. 27.55 8 b. 5.250 g d. 0.3380 g e. 58.99 g c. 7.871 g --. write the electron configuration of a tin (Sn) atom (z-50). a. 1s 2s 2p 3s 3p 4s' 3d 104p 5s'4d
Hubert KochLv2
9 Jan 2019