Atom of carbon - Study guides, Class notes & Summaries

This document contains workings, explanations and solutions to the NST1501 Assignment 2 (QUALITY ANSWERS) 2024. For assistance call or us on 0.6.8..8.1.2..0.9.3.4... QUESTION 1 Answer the following questions: 1.1 How many hours is allocated per week for Natural Sciences and Technology? (2) 1.2 How many strands does the Natural Sciences curriculum have? (2) 1.3 How many strands does the Technology curriculum have? (2) 1.4 Choose one Natural Sciences strand, and name 4 topics covered in tha...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

Chemistry for Embalmers Midterm Questions & Answers Accurate 100% The ________ for a ketone is R-CO-R - ANSWERGeneral Formula All isomers are in the same class [ex: ketones] - ANSWERFalse When benzene's carbons lose a hydrogen, the ____ is formed - ANSWERmethyl radical An organic compound with 7 carbons in it will be a - ANSWERliquid Open chained hydrocarbons are classified as - ANSWERAliphatic Which of the following is not a term that refers to benzene - ANSWER5 carbon ring...

The mole concept - Answer-A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number - Answer-number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms - Answer-There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers - Answer-Quantum numbers describe values of conserved quantities in the dynamics of a quantum system. In the case of electrons, the quantum numbers c...

BSC1005 MIDTERM MDC QUESTIONS AND ANSWERS 100% PASS What is Biology? The scientific study of life. Proper components of the SCIENTIFIC METHOD. Observation, Question, Hypothesis, Prediction, Experiment, Results, Conclusion. Taxonomy is the ____? Naming and classifying of species. Which Kingdom of Eukarya consist primarily of unicellular organisms? Protista What accounts for the different breeds of domesticated dogs? Artificial selection. Relative to prokaryotic cells, eukaryotic cells are us...

SEMMELWEIS ENTRANCE MEDICINE BIOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What are carbohydrates and lipids? Correct Answer: Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen What do carbohydrates do? Correct Answer: provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells What type of carbohydrate is...

Which of the following monosaccharides is a ketose? Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose -dihydroxyacetone When two carbohydrates are epimers: One is a pyranose, the other a furanose One is an aldose, the other a ketose They differ in length by one carbon They differ only in the configuration about one carbon atom They react differently with iodine -They differ only in the confirmation about one carbon atom -D.) alpha-D-glucose and bet

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...

AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Version: 1.0 Final *JUN2384621F01* IB/M/Jun23/E11 8462/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 11 TOTAL Monday 22 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the box...

Anatomy - Answer-the study of structure Physiology - Answer-the study of function Metabolism - Answer-all the chemical reactions that happen in our body cells Catabolism - Answer-the breakdown of complex molecules into simpler ones. Catabolic reaction Anabolism - Answer-The building up of complex molecules from simpler ones Levels of Structural Organization - Answer-Atom (chemical), Molecule (chemical), Cell tissue, Organ, Organ System, Organism Homeostasis - Answer-The maintenance of the...