Covalent and ionic bonds - Study guides, Class notes & Summaries

Chapter 01 - Structure and Bonding 1. Give the ground-state electron configuration for carbon (atomic number 6). 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANSWER: POINTS: 1 1s22s22px2 2py2 2pz1 or 1s22s22p5 3. Give the ground-state electron configuration for magnesium (atomic number 12). 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANSWER: four POINTS: 1 Exhibit 1-1 Write valid Lewis (elec...

BLG1501 Assignment 2 Semester 1 2024 (Solutions) Question 1 Not yet answered Marked out of 2.00 Flag question Question text Hydrolysis is reaction which occurs when Select one: a. a bond of a polymer is broken down through the addition of water molecule. b. two molecules are covalently bonded to each other through the loss of water. c. a double bond is formed between two atoms. d. a triple bond is formed between two atoms. Clear my choice Question 2 Not yet answered Marked o...

Chapter 01: Introduction to Dental Materials MULTIPLE CHOICE 1. Until 1970, which of the following groups of dental auxiliaries were allowed to perform intraoral functions in all states? 1. Dental hygienists 2. Registered dental assistants 3. Certified dental assistants 4. On-the-job trained dental assistants a. 1, 2, 3, 4 b. 1, 2, 3 c. 1, 2 d. 1 ANS: D Until 1970, only the dental hygienist was allowed to perform intraoral functions in all states. Although laws vary ...

Biochem Module 6 (Portage Learning), CHEM 210 Biochemistry Questions and Answers 100% Graded A+ Updated 2024 In DNA, adenine always pairs with ________. - Thymine - Guanine - Uracil - Cytosine - CORRECT ANSWER-- Thymine DNA is built from which of the following? - Nucleosides - Genes - Purines - Nucleotide - Codons - CORRECT ANSWER-- Nucleotide The double helix of DNA is stabilized mainly by __________. - Ionic bonds - Covalent bonds - Ion-dipole bonds - Hydroge...

Version 1 1 CHAPTER 1 1) Which technique creates a three-dimensional dynamic image of blood vessels? A) Digital subtraction angiography B) Magnetic resonance imaging C) Dynamic spatial reconstruction D) Positron emission tomography 2) Magnetic resonance imaging is based on the movement of A) electrons in a magnetic field. B) carbons in a magnetic field. C) protons in a magnetic field. D) cells in a magnetic field. 3) The delivery of a radioactive compound to the body to study the met...

CSP1501 Assignment 1 2024 (Solutions) Question 1 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following options lists only inorganic compounds? a. Water, salts, gas b. Carbohydrates, protein, fats c. Salts, gas, carbohydrates d. Water, oxygen, carbon dioxide, electrolytes Clear my choice Question 2 Not yet answered Marked out of 1.00 Flag question Question text Select the correct symbol for Dubnium a. Db b. D c. Dm d. Du Questio...

Bacteria, archaea & eukaryotes arose __ years ago... - Answer-2.9 Billion Which one is not a cause of infectious death worldwide... - Answer-Ebola __ is the most infectious microbe caused through non-human transmission, while __ is the most infectious microbe caused by human-to-human transmission... - Answer-malaria, measles What is the only eradicated disease in the world... - Answer-small pox Which choice below lists emerging diseases... - Answer-HIV, SARS, Lassa Fever Species that are i...

GTC BIO2113 Final Exam Review 2023 with complete solution Visceral Tissue that covers organs Parietal Tissue that covers an entire cavity Pleura Tissues found in Thoracic cavity Peritoneum Tissues that line Abdominopelvic Cavity Endocrine, Nervous Two systems integral to homeostasis Negative Feedback Opposes variations from "normal" in body to maintain homeostasis Antecubital Pertaining to front of elbow Pollex Thumb Calcium Homeostasis acquired by taking from bone, food. V...

1. You re conducting a study on the effects of carrot consumption on blood pressure. you will be giving carrots to participants in your study and monitoring their blood pressure over several months 2. Which of the following substances contain ionic bonds? 3. What is the name of the compound N 4. Which of the following species would you expect form intermolecular hydrogen bonds? 5. In an experiment you calculate that 6.50 gram of liquid has a volume of 2.50 ml…. What is the mass of a 160 l...

OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. CHECK THE LAST PAGE FOR ANSWERS. 1 Which feature of the structure of the atom was deduced from the Geiger and Marsden experiment? A Atoms consist of electrons, protons and neutrons. B The nucleus is small and dense. C Electrons exist in energy levels/shells. D Electrons exist in atomic orbitals. Your answer [1] 2 Which row gives the correct trends for the followi...