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Transition metals can be distinguished from main-group metals by the fact that transition metals have higher...
For the main group elements, atomic size increases down the group. For the transition metals, how...
For the main group elements, atomic size increases down the
group. For the transition metals, how does the atomic size change
from the 4d series to 5d series? What is the factor that causes the
difference between these two types of elements?
(h) For the main group elements, atomic size increases down the group. For the transition metals, how does the atomic size change from the 4d series to 5d series? What is the factor that causes the difference between...
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not...
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
Transition metals generally do not follow the same periodic trends as main group elements. Based on...
Transition metals generally do not follow the same periodic trends as main group elements. Based on your results, does the activity of a main group (s and p blocks) metal seem to increase or decrease as you move from left to right across a period? 2. 15
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline...
Which group of elements includes the most reactive of all the metallic elements? alkali metals alkaline earth metals coinage metals (Group 1B) transition metals Group 2B metals Determine all of the covalent hydrides from the compounds listed below. CaH2 H2S SiH4 I only II only I and II I and III II and III Based on the following options, select the substance with hydrogen in the +1 oxidation state. KH CH4 H2 AlH3 SrH2 Which of these substances is being...
Period four transition metals have higher densities dense (e.g., Cu, d = 8.96 g/cm) compared to period four group 1...
Period four transition metals have higher densities dense (e.g., Cu, d = 8.96 g/cm) compared to period four group 1A metals (e.g., K, d = 0.86 g/cm'). Explain.
1 . Describe the chemistry of the group 14 elements with reference to (i) decreasing catenation,...
1 . Describe the chemistry of the group 14 elements with reference to (i) decreasing catenation, (ii) increased metallic behaviour on descending the group and (iii) the relative stability of the +2 and +4 oxidation states. 2. Discuss with relevant examples how the stability of the +2 oxidation state varies across the 1st row transition metals. Describe with relevant examples the general types of ligands that can stabilise higher oxidation states in metal complexes. 3. Discuss in detail the spectroscopic...
8-7 Why is the first ionization energy for phosphorous higher than the first ionization energy for...
8-7 Why is the first ionization energy for phosphorous higher than the first ionization energy for sulfur even though the general trend in the periodic table is to have the ionization energy increase as you go from left to right on the table. 8-8 The three most common oxidation states for Fe are +2, +3 and +6 what are the most likely electronic configurations for these three ions? 8-9 Why do transition metals have magnetic properties? 8-10 Just looking at...
general chemistry Hi, Good morning. I want to tell you that my score is now 70...
general chemistry Hi, Good morning. I want to tell you that my score is now 70 out of 80 and I want to get the full score of 20/20 in my final test. Can you do the answer only with the symbols A, B, C, D. Thank you, I do not want to explain only the answer because I have no time other than 50 minutes. Rusting of iron occurs due to a. hydrogenation b. oxidation c. reduction d. sublimation...
6a) During experiment 7, you performed column chromatography in order to separate two main compounds from...
6a) During experiment 7, you performed column chromatography in order to separate two main compounds from tomato paste. What are these two compounds? 6b) Is this separation technique a chemical or physical method of separation? 6c) What color is each of these compounds? What about their molecular structure gives rise to their color? 6d) During the experiment, we only observed one band on the column even though we should have observed two. However, you may have noticed, we had in...
Thank you so much for your help :) Chapter 7 Homeworlk Introduction to the Alkali Metals...
Thank you so much for your help :)
Chapter 7 Homeworlk Introduction to the Alkali Metals Part A Learning Goal: Predict the product(s) of the following reaction: The equation is not necessarily balanced. Express your answer as a View Available Hint(s) To be able to predict the products of some alkali metal reactions The alkali metals are in the first group of the periodic table and nclude lithium, sodium, potassium, rubidium, cesium, and francium. They all have the ns valence...
For the main group elements, atomic size increases down the
group. For the transition metals, how does the atomic size change
from the 4d series to 5d series? What is the factor that causes the
difference between these two types of elements?
(h) For the main group elements, atomic size increases down the group. For the transition metals, how does the atomic size change from the 4d series to 5d series? What is the factor that causes the difference between...
1. What distinguish a transition metal from a main group metal? 2. Why is zinc not considered a transition metal? 3. Write the electronic configuration of the following ions; V". Cr, Mn, Fe, Ni, Ti" 4. What are basic assumptions of Crystal Field Theory? 5. Compounds containing the Scion are colorless whereas those containing Ti* ion are colored. Explain. 6. Predict the number of unpaired electrons in [Cr(en) ions. 7. What are spectrochemical series? 8. The compound hexaminecobalt(III) chloride is...
Transition metals generally do not follow the same periodic trends as main group elements. Based on your results, does the activity of a main group (s and p blocks) metal seem to increase or decrease as you move from left to right across a period? 2. 15
Period four transition metals have higher densities dense (e.g., Cu, d = 8.96 g/cm) compared to period four group 1A metals (e.g., K, d = 0.86 g/cm'). Explain.
8-7 Why is the first ionization energy for phosphorous higher than the first ionization energy for sulfur even though the general trend in the periodic table is to have the ionization energy increase as you go from left to right on the table. 8-8 The three most common oxidation states for Fe are +2, +3 and +6 what are the most likely electronic configurations for these three ions? 8-9 Why do transition metals have magnetic properties? 8-10 Just looking at...
6a) During experiment 7, you performed column chromatography in order to separate two main compounds from tomato paste. What are these two compounds? 6b) Is this separation technique a chemical or physical method of separation? 6c) What color is each of these compounds? What about their molecular structure gives rise to their color? 6d) During the experiment, we only observed one band on the column even though we should have observed two. However, you may have noticed, we had in...
Thank you so much for your help :)
Chapter 7 Homeworlk Introduction to the Alkali Metals Part A Learning Goal: Predict the product(s) of the following reaction: The equation is not necessarily balanced. Express your answer as a View Available Hint(s) To be able to predict the products of some alkali metal reactions The alkali metals are in the first group of the periodic table and nclude lithium, sodium, potassium, rubidium, cesium, and francium. They all have the ns valence...
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