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FirstName Date La Teskore for Summer 2018 Chem 1. Write the names and symbols of first...
7. New Dec 11 2018. Which of the following is acidic when dissolved in water? SO,...
7. New Dec 11 2018. Which of the following is acidic when dissolved in water? SO, b. NO c. Na-O d. CaO Two of these a. e. NEW July 27, 2019. Elements of moderm periodic table are arranged according to increase in Group 2A elements are called and group 7A elements of periodical table are called.. 8. , respectively, atomic number /Alkaline earth metals/ noble gases b. a. atomic number /alkali metals / alkaline earth metals atomic number /Alkaline earth...
Please answer the following questions - will thumbs up in return, thank you! 9) Write the...
Please answer the following questions - will thumbs up in
return, thank you!
9) Write the symbols for the members of the following groups: a) alkali metals b) halogens e) alkaline earth metals d) noble gases 10) What is the general term applied to the elements: a) in Groups 3-12? c) The "5" row? e) in Group 18? g) to the right of the zig-zag line? h) have nsouter shell configuration? i) group A elements? k) elements in group 16?...
no need for explanation and will rate immediately, thank you. 1. Determine the trend for each...
no
need for explanation and will rate immediately,
thank you.
1. Determine the trend for each property (i.e. whether it increases or decreases): Across a row of the Down a column in the PT PT? Size Ionization energy Electron affinity 1. Within a given row, which Group of elements has the greatest atomic size? (a) The alkali metals (b) The halogens (c) The noble gases (d) Another Group (give the Group number using the IUPAC system) 2. Within a given...
1. An element belongs to Group 9. What common name might be used to describe the...
1. An element belongs to Group 9. What common name might be used to describe the group to which the element belongs? a) alkaline earth b) semimetal c) nonmetal d) transition metal e) noble gas 2. Which of the following elements is most likely to react with oxygen? a) aluminium b) argon c) magnesium d) nitrogen e) silicon 3. Which element X is most likely to react to form the compound XF5? a) carbon b) antimony c) chlorine d) calcium...
3. Selected symbols have been placed into the blank Periodic Table of the Elements, above. Match...
3. Selected symbols have been placed into the blank Periodic Table of the Elements, above. Match the symbol to the following descriptions. Use an element symbol only once. a) a halogen b) a semimetal c) an element in the lanthanide d) an element with atomic number 13 e) an alkali element f) a nonmetal left of the semimetals in the periodic table g) an element in the actinide series h) a representative non-metal in the fourth period i) a noble...
9. Which elements have a partially filled p sublevel in their electron configuration? or files A) alkali metals B)...
9. Which elements have a partially filled p sublevel in their electron configuration? or files A) alkali metals B) alkaline earth metals C) halogens D) noble gases E) transition metals 1st 3 CHEM 1 10. Which element has the abbreviated electron configuration [Ne]3s23pl? Α) ΑΙ B) P C ) Si DCI E) Ar 11. What is the abbreviated electron configuration for Fe? A) [Ar]4s9 B) [Ar]3d C) [Ar]45236 D) [Ar]4:24p6401 E) [Ar]4,2347
Stadent's Name Date 12/5/20 ) Who A) John Dalton B5 Antoine LavoisierC) Nivaldo Tro John Dalhono...
Stadent's Name Date 12/5/20 ) Who A) John Dalton B5 Antoine LavoisierC) Nivaldo Tro John Dalhono of the above 2) Who discovered the A) John Dalton E) none of the abovs B) Antoine Lavoisier C Niwaldo Tro D) John Dalson and Antoine Lavoisies cientific notation for the number 0.00050210 is A) 5.0210 104 )5.021 104 5021 1o D)S50210 10-4 ) none of the above 4) The standard St unit for temperature is A) Fahrenheit. B) Kelvin C) Celsius D atmospheres...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties 4.71 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: d. 5245p 4.72 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: h45 d. 5242105 4.73 Write the valence electron configuration for each of the following: a. alkali...
U. Amphoteric Behavior of Aluminum Hydroxide B. Test for basic behavior. Describe what happened when HCl...
U. Amphoteric Behavior of Aluminum Hydroxide B. Test for basic behavior. Describe what happened when HCl was added. # dissolved C. Test for acidic behavior. Describe what happened when NaOH was added. Dident dissole i continued to precipitate. 1. QUESTIONS: Which metals are more reactive - alkali metals (Group IA) or alkaline earth metals (Group ILA)? How do you know? 2. Based on your observations regarding Group IIA metals (calcium and magnesium), which Group IIA metal would you expect to...
The aro 15 d Principle Quantum Number The 3' Quantumis called the Co Electron con Pigaration...
The aro 15 d Principle Quantum Number The 3' Quantumis called the Co Electron con Pigaration b. Electron mapping A. Electron togging 16. Using the 4 Quantum Numbers you can write the location of every electron in an atom. This is called it's a Electron tagging b. Electron mapping c. Electron configuration d Electron typing 17. Elements are placed in columns on the Periodic Table because a They have the same number of protons b. They have the same number...
7. New Dec 11 2018. Which of the following is acidic when dissolved in water? SO, b. NO c. Na-O d. CaO Two of these a. e. NEW July 27, 2019. Elements of moderm periodic table are arranged according to increase in Group 2A elements are called and group 7A elements of periodical table are called.. 8. , respectively, atomic number /Alkaline earth metals/ noble gases b. a. atomic number /alkali metals / alkaline earth metals atomic number /Alkaline earth...
Please answer the following questions - will thumbs up in
return, thank you!
9) Write the symbols for the members of the following groups: a) alkali metals b) halogens e) alkaline earth metals d) noble gases 10) What is the general term applied to the elements: a) in Groups 3-12? c) The "5" row? e) in Group 18? g) to the right of the zig-zag line? h) have nsouter shell configuration? i) group A elements? k) elements in group 16?...
no
need for explanation and will rate immediately,
thank you.
1. Determine the trend for each property (i.e. whether it increases or decreases): Across a row of the Down a column in the PT PT? Size Ionization energy Electron affinity 1. Within a given row, which Group of elements has the greatest atomic size? (a) The alkali metals (b) The halogens (c) The noble gases (d) Another Group (give the Group number using the IUPAC system) 2. Within a given...
3. Selected symbols have been placed into the blank Periodic Table of the Elements, above. Match the symbol to the following descriptions. Use an element symbol only once. a) a halogen b) a semimetal c) an element in the lanthanide d) an element with atomic number 13 e) an alkali element f) a nonmetal left of the semimetals in the periodic table g) an element in the actinide series h) a representative non-metal in the fourth period i) a noble...
9. Which elements have a partially filled p sublevel in their electron configuration? or files A) alkali metals B) alkaline earth metals C) halogens D) noble gases E) transition metals 1st 3 CHEM 1 10. Which element has the abbreviated electron configuration [Ne]3s23pl? Α) ΑΙ B) P C ) Si DCI E) Ar 11. What is the abbreviated electron configuration for Fe? A) [Ar]4s9 B) [Ar]3d C) [Ar]45236 D) [Ar]4:24p6401 E) [Ar]4,2347
Stadent's Name Date 12/5/20 ) Who A) John Dalton B5 Antoine LavoisierC) Nivaldo Tro John Dalhono of the above 2) Who discovered the A) John Dalton E) none of the abovs B) Antoine Lavoisier C Niwaldo Tro D) John Dalson and Antoine Lavoisies cientific notation for the number 0.00050210 is A) 5.0210 104 )5.021 104 5021 1o D)S50210 10-4 ) none of the above 4) The standard St unit for temperature is A) Fahrenheit. B) Kelvin C) Celsius D atmospheres...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties 4.71 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: d. 5245p 4.72 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: h45 d. 5242105 4.73 Write the valence electron configuration for each of the following: a. alkali...
U. Amphoteric Behavior of Aluminum Hydroxide B. Test for basic behavior. Describe what happened when HCl was added. # dissolved C. Test for acidic behavior. Describe what happened when NaOH was added. Dident dissole i continued to precipitate. 1. QUESTIONS: Which metals are more reactive - alkali metals (Group IA) or alkaline earth metals (Group ILA)? How do you know? 2. Based on your observations regarding Group IIA metals (calcium and magnesium), which Group IIA metal would you expect to...
The aro 15 d Principle Quantum Number The 3' Quantumis called the Co Electron con Pigaration b. Electron mapping A. Electron togging 16. Using the 4 Quantum Numbers you can write the location of every electron in an atom. This is called it's a Electron tagging b. Electron mapping c. Electron configuration d Electron typing 17. Elements are placed in columns on the Periodic Table because a They have the same number of protons b. They have the same number...
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