How many bonds Study guides, Class notes & Summaries

2 OCR 2023 SECTION A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 Which statement explains the trend in boiling points down the halogens group? A Covalent bonds become stronger. B Induced dipole–dipole interactions (London forces) become stronger. C Ionic bonds become stronger. D Permanent dipole–dipole interactions become stronger. Your answer [1] 2 A hydrocarbon contains 85.71% carbon by mass. What is the em...

Which of the following is the name for wrapping a permanent with one end paper placed under, and another placed over the strand of hair? - Double flat wrap When analyzing the hair before a chemical relaxer, it is necessary to evaluate the hair for all of the following EXCEPT - Color In a relaxer, which of the following active ingredients has a 9.6-10 pH? - Ammonium thioglycolate Which of the following bonds make permanent waving, curl reforming, and chemical hair relaxing possible? - Disul...

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...

An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? - 8 and 17 How many and what type of bonds does sulfur usually form in biology? - 2 covalent A molecule that has all non polar covalent bonds would be________. - hydrophobic What substance makes up the interior of a potato tuber? - starch What is an example of a lipid? - triglyceride One characteristic shared by sucrose, lactose, and maltose is that __________. -they are all dissacharides The over...

This document contains workings, explanations and solutions to the FIN2601 Assignment 2 (QUALITY ANSWERS) Semester 2 2024. For assistance whats-app us on 0.6.8..8.1.2..0.9.3.4... Question 1 Complete Mark 1.00 out of 1.00 QUIZ The financial manager of Summer Financial Group is tasked with evaluating the standard deviation of a proposed investment project. This analysis aims to provide insights into the potential risk associated with the project's expected returns, which are linked to the ...

Portage Chemistry 219 100% VERIFIED SOLUTIONS CORRECT ANSWER The lone pairs in a LDD are equal to: - ANSWER The 2 dots The unpaired electrons are equal to: - ANSWER The 1 dot What is the number of bonds an atom can form, equal to? - ANSWER Their unpaired electrons Find the lone pair, the unpaired electrons and the bonds of Oxygen. - ANSWER 2, 2, 2 What is organic chemistry? - ANSWER The study of compounds that contain carbon What is catenation? - ANSWER The ability to form bonds betw...

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...

Portage Learning: Microbiology Final Exam Set Already Passed Microbiology is the study of what? Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life? A cell What is a macromolecule? A macromolecule is classified as a complex molecule that is composed from smaller subunits. What are the four main types of macromolecules? Proteins, nucleic acids, lipids and carbohydrates What various functions do protein...

AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN* IB/M/Jun23/E8 7401/1 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Monday 15 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in t...

In built up roofs, cant strips shall extend how many inches up the vertical surface? - 5" Air entertainment should always be specified for concrete exposed to what? - Freezing and thawing In a post tensioning environment, when a two-stroke pull is required, the final pull should be pre-calculated to use no more than what percentage of the full stroke of the jack on the final pull? - 60% Tack or spot welding can reduce the strength of a bar to what percent of its original capacity? - 35...