A. Calculate the total of free electrons in 2.5 x 10' g ofCo ( Cobalt-60) if 1 atom give 3 electrons

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Q: Although PF5 and AsF5 are stable, nitrogen does not form NF5 molecules. Explain this difference…

A: Nitrogen (N), phosphorous (P) and arsenic (As) belong to the Group V A. These elements have the…

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Q: Which element in each pair is more electronegative?a. K, As b. N, Sb c. Sr, Be

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Q: a)Compare the electrón affinity of flouorine to the ionization energy if sodium. Does the process of…

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Q: why don't halogens form positive ions

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Q: Which of the following contains a metallic bond? O NaCI O SO2 O Cu-Zn Alloy O K20

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Q: How much energy (kJ) is required to remove all the 5s electrons in 8.78 g of strontium (Sr)? State…

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Q: When aluminum combines with non-metals, it always has an oxidation number of +3. What 3 electrons…

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Q: 4> 134. Although both Br3 and Iz ions are known, the F3 ion has not been observed. Explain. 101 ond…

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Q: The bond energy in N2 is 941 kJ/mol. What is the longest/wavelength a photon can have and still have…

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Q: How many coulombs of charge are necessary to produce 289 g of Al from Als* (aq)? (F = 96,500 C/mol)…

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Q: Which would be the most reactive non-metal? A) 15P B) 19K C) 52Te D) 53I E) they are all equally…

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Q: Write the uses/ application of sb2O4( antimony tetroxide)

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Q: MCQ 108: The highly reactive element which can burn glass, metals, and water in a stream of gas is…

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Q: Show the bond formation of Cesium and Sulfur

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Q: What types of elements undergo covalent bonding? a. a nonmetal and a metal b. two Group 1 elements…

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Q: How many coulombs of charge are necessary to produce 289 g of Al from Als*(aq)? (F = 96,500 C/mol)…

A: According to the charge, 96500 C is required to produce 1 mol of Al.

Q: How many electrons occur in the valence level of Group 3A (13) and 3B (3) elements? Why are they…

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Q: 70. Consider the following. This process would result in the formation of: a. a positive ion and…

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Q: The high reactivity of Fluorine in groupVII (Group 17) K is due to 1. the weaker F-F bond 2. the…

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Group 14 Elements

The following elements come under group 14 of the periodic table.