Metallic bonding Study guides, Study notes & Summaries

What is ground state electron configuration of Co? [Ar]3d^9 [Ar]4s^1 3d^8 [Ar]4s^2 3d^7 [Ar]4s^2 4p^6 4d^1 [Ar]4s^2 3d^7 molybdenum has an anomalous electron configuration. using the shorthand notation for electron configurations, write the electron configuration A) [kr]5s 4d^6 B) [kr]5s 4d^0 5p^6 C) [kr]5s^1 4d^5 D) [kr]5s^2 4d^4 C) [kr]5s^1 4d^5 the symbol [Kr] represents a) 4s^2 4p^6 b) 1s^2 2s^2 2p^6 3s^6 4s^2 4p^6 c) 1s^2 2s^2 2p^6 3s^6 4s^2 3d^10 4p^6 D)1s^2 2s^...

1. The atomic packing efficiency of tungsten (W) is72% 52% 68% 74% ANSW 68% 2. The crystal structure of copper isFCC BCC HCP Orthorhombic: FCC 3. Alkali metals,such as Li, Na and K, have BCC crystal structureTrue False: True 4. The planar density of (111) plane in FCC is about0.1 0.5 0.9 0.7: 0.9 5. The linear density along [110] direction in FCC is0.1 1.0 0.5 0.8: 1.0 6. The alpha-titanium (HCP) and beta-titanium (BCC) are two.....................................................

Electrician's Licensing Exam Questions and Answers NEC Article ______ defines breakers and fuses. -Answer-According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. -Answer-Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association -Answer-True - NEMA is the acronym for Nation...

ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter is made up of relatively few elements. - CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom Each _______ is made of the same kind of atom - CORRECT ANSWER Element Combination of atoms held together i...

Module 10 Residential Electrical Services Trade Terms with Complete Solutions (100% Expert Verified) Module 10 Residential Electrical Services Trade Terms with Complete Solutions (100% Expert Verified) What is system grounding? - ANSWER-A special circuit designed to protect the entire distribution system of a residence. What is a component grounding? - ANSWER-A circuit designed to protect individual components connected to an electrical system. What is the best ground for residential s...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

OCR 2023 Chemistry B H433/01: Fundamentals of chemistry A Level Question Paper & Mark Scheme (Merged) Please Review and leave your Rating stars…. Please write clearly in black ink. Do not write in the barcodes. Centre number Candidate number First name(s) Last name Oxford Cambridge and RSA Monday 12 June 2023 – Morning A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry Time allowed: 2 hours 15 minutes INSTRUCTIONS • Use black ink. You can use an HB pencil, ...

Semmelweis Entrance Exam (N) Questions with Verified Answers 2024/2025 The mole concept Correct Answer: A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number Correct Answer: number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms Correct Answer: There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers Correct Answer: Quantum numbers describe values of...

National Home Inspector Exam 2024 (NHIE) Whole House Practice Questions and Answers. During an inspection of a gas dryer, you observe no exhaust vent. Your report should: A. Recommend installing a metal dryer duct vented to the exterior. B. Recommend installing a flexible plastic dryer duct vented to the exterior. C. Indicate a code violation and state that corrective action should be taken. D. Indicate that this is not a problem. - A) Recommend installing a metal dryer duct vented to the...

CHEM 133 LESSON 6 QUIZ | 25 QUESTIONS AND CORRECT ANSWERS (VERIFIED) LATEST UPDATE. Question 1 of 25 4.0/ 4.0 Points Of the intermolecular forces we learned about, which has the greatest strength? A. iondipole forces B. dispersion forces C. dipoledipole forces D. hydrogen bonding Feedback: London dispersion forces exist between any pair of molecules whether they are polar or nonpolar. Dipoledipole interaction exists only between polar molecules. There is a third type of van der Waals f...