I- Short Answers (L point per blank- 20 points total) 1- How many sign.docx

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I. Short Answers (L point per blank: 20 points total) 1. How many significant figures are expressed in the number 30507 ? 2. What is the decimal form of 7.27x10\"? 3. The metric prefix meaning 1000 is 4. The nucleus of a polonium-210 isotope (Po-210) contains 5. 00120 protons and define regions in space where an electron of a given energy is likely to be located. Outer shell electrons are called Write the electron configuration for: a. an arsenic (As) atom b. an Mn2 ion One molecule of Mg,(P04), contains 6. 7. atoms of Mg atoms of P atoms of O and has a molar mass of 9. Would you expect potassium iodide, KI, to be an ionic or molecular solid? 10. A triple bond is composed of 1 bonds. Elements in the same column on the Periodic Chart are in the same family. (True/ False) L. Solution Thank you .

Education

I have a question from a Database Systems class (we have been taught with MySQL). Please provide an answer to the following question: Most large DBMS\'s have their own DML. What are some of the DML\'s out there? (Please provide a quality response and not just a short answer. Citations to the answer would be appreciated). Solution Answer:) Some of the DML\'s are: i. CALL : supported by PL/SQL ii. DELETE: removes a/multiple tuple or the entire table iii. EXPLAIN PLAN : supported by PL/SQL iv. INSERT: used for inserting values to a table v. LOCK TABLE: used for finalizing the table vi. MERGE: used for merging two or more table vii.SELECT: used to project data values from a table viii. UPDATE: used to update a table .

I have a question from a Database Systems class (we have been taught w.docx

rtodd409

HW Check: Categorize materials as n or p type semiconductors: a. Zn doped GaAs >>> p-type b. In 1+x As 1-x >>> n-type c. Li 0.05 Cu 0.95 O >>> p-type d. WO 2.999 >>> n-type Solution Answer - a.Zn doped with GaAs -It form p type semiconductors. As zinc is Zn +2 in ionic state. Zn have 2 electron in valance shell. b. In 1+x As 1-x it forms n-type semiconductor because ln(1+x) have more electrons then As(1-x) . c. Li 0.05 Cu 0.95 O is p-type as cu forms cu 2+ , During conduction d. WO 2.999 Here the conncentration of O is greater than W, hence it forms n-type semiconductor. All answer correct. .

HW Check- Categorize materials as n or p type semiconductors- a- Zn do.docx

rtodd409

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I- Short Answers (L point per blank- 20 points total) 1- How many sign.docx

1. I. Short Answers (L point per blank: 20 points total) 1. How many significant figures are expressed in the number 30507 ? 2. What is the decimal form of 7.27x10"? 3. The metric prefix meaning 1000 is 4. The nucleus of a polonium-210 isotope (Po-210) contains 5. 00120 protons and define regions in space where an electron of a given energy is likely to be located. Outer shell electrons are called Write the electron configuration for: a. an arsenic (As) atom b. an Mn2 ion One molecule of Mg,(P04), contains 6. 7. atoms of Mg atoms of P atoms of O and has a molar mass of 9. Would you expect potassium iodide, KI, to be an ionic or molecular solid? 10. A triple bond is composed of 1 bonds. Elements in the same column on the Periodic Chart are in the same family. (True/ False) L. Solution Thank you

I- Short Answers (L point per blank- 20 points total) 1- How many sign.docx

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