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answer 5 and 6 please
5. Refer to Figure 11.1. Which of the following has the...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
8. Why does carbon contain only 4 valence electrons when it has 6 total electrons? 9.True...
8. Why does carbon contain only 4 valence electrons when it has
6 total electrons?
9.True or False. Oxygen and sulfur have the same number of
valence electrons.
10. True or False. Beryllium and magnesium have the same number
of valence electrons.
11. True or False. Sodium and magnesium have the same number of
valence electrons.
12. What is the relationship between the number of valence
electrons and the column on the periodic table?
13. How is the number of...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron-...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...
Using the elements: Li, Al, Mg, I, S, & N. Which of the following has the...
Using the elements: Li, Al, Mg, I, S, & N. Which of the following has the largest atomic radius? Which one of the following is a conductor? How do you list them from small atomic to large size? Which one of the following is the least metallic? What has the highest ionization energy? Which are non-metals? And which one has the highest electron affinity?
Compare the elements Na, B, Al, C with regard to the following properties: a) Which element...
Compare the elements Na, B, Al, C with regard to the following properties: a) Which element has the largest atomic radius? b) Which element has the largest electron affinity? c) What element is expected to have the largest ionization energy?
32. Which of the following has the largest electronegativity? a. O d. Na b. S e....
32. Which of the following has the largest electronegativity? a. O d. Na b. S e. c. N. 33. Which of the following has the largest ionization energy ? a. Li d. Si b. Cs c. Be e N 4. Which of the following atoms has the largest atomic radius? d. a. Li AI b. Na e. Si
4) Which element has the highest electronegativity? A) Ge B) O C) B D) Ca 5)...
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...
Compare the elements B, A1, C, Si. a. Which has the most metallic character? OB Al...
Compare the elements B, A1, C, Si. a. Which has the most metallic character? OB Al Si b. Which has the largest atomic radius? OB ОА1 oc Si c. Which has the largest first ionization energy? OB Al O O O
answers given but please show work on how you get to that answer. 16. Which one...
answers given but please show work on how you get to that
answer.
16. Which one of the following statements about valence electron c Tollowing statements about valence electron configurations is incorrect? A) A single neutral phosphorus atom, P, has 5 valence electrons. B) A single neutral carbon atom, C, has 2 unpaired valence electrons. (C) A single neutral sulfur atom, S, has 2 valence electrons. D) A single neutral nitrogen atom, N, has 3 unpaired valence electrons. E) A...
6) Of the following, which element has the highest first ionization energy? B) beryllium 6) A)...
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
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
8. Why does carbon contain only 4 valence electrons when it has
6 total electrons?
9.True or False. Oxygen and sulfur have the same number of
valence electrons.
10. True or False. Beryllium and magnesium have the same number
of valence electrons.
11. True or False. Sodium and magnesium have the same number of
valence electrons.
12. What is the relationship between the number of valence
electrons and the column on the periodic table?
13. How is the number of...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...
32. Which of the following has the largest electronegativity? a. O d. Na b. S e. c. N. 33. Which of the following has the largest ionization energy ? a. Li d. Si b. Cs c. Be e N 4. Which of the following atoms has the largest atomic radius? d. a. Li AI b. Na e. Si
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...
Compare the elements B, A1, C, Si. a. Which has the most metallic character? OB Al Si b. Which has the largest atomic radius? OB ОА1 oc Si c. Which has the largest first ionization energy? OB Al O O O
answers given but please show work on how you get to that
answer.
16. Which one of the following statements about valence electron c Tollowing statements about valence electron configurations is incorrect? A) A single neutral phosphorus atom, P, has 5 valence electrons. B) A single neutral carbon atom, C, has 2 unpaired valence electrons. (C) A single neutral sulfur atom, S, has 2 valence electrons. D) A single neutral nitrogen atom, N, has 3 unpaired valence electrons. E) A...
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
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