Shapes of molecule - Study guides, Revision notes & Summaries

describe the basic functions all life forms must accomplish - -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types - Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes plac...

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 in specific shapes CORRECT ANSWER Molecule No fixed volume or shape, co...

Purdue Chem 115 - Final Exam Latest Update Graded A Valence Bond Theory A model that attempts to reconcile the shapes of molecules with those of atomic orbitals through the concepts of orbital overlap and hybridization (429). hybridization a postulated process of orbital mixing to form hybrid orbitals (430). hybrid orbitals an atomic orbital postulated to form during binding by the mathematical mixing of specific combinations of nonequivalent orbitals on a given atom (430). sp hybrid...

Test Bank for Introduction to General, Organic and Biochemistry 12e 12th Edition by Frederick A. Bettelheim; William H. Brown; Mary K. Campbell; Shawn O. Farrell; Omar Torres. ISBN-13: 1594 Full Chapters test bank Chapter 1: Matter, Energy, and Measurement 1.1 Chemistry and the Study of Matter 1.2 The Scientific Method 1.3 Reporting Numbers in Science 1.4 Making Measurements 1.5 Unit Conversions 1.6 States of Matter 1.7 Density and Specific Gravity 1.8 Describing the Various For...

Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - ANSWER,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] - ANSWER(Crush in) ethanol / alcohol; Add (to) water (Order of adding is critical for this point)...

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 in specific shapes - correct answer Molecule No fixed...

the physical material of the universe. It is anything that has mass and occupies space. - Matter is made up of relatively few elements. - Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - Atom Each _______ is made of the same kind of atom - Element Combination of atoms held together in specific shapes - Molecule No fixed volume or shape, conforms to volume and shape of container, is compressible - Gas Individua...

AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecules - ANSWER-Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair electronegativity - ANSWER-the power of an atom to attract the pair of electrons in a covalent bond hess' law - ANSWER-Total enthalpy chang...

DAT Test Bank Questions with Answers 100% correct | 2024 update DAT Test Bank Questions with Answers 100% correct | 2024 update Contains marking scheme Survey of Natural Sciences Which of the following viral genomes can be directly translated into protein by the host cell’s translation machinery? Double-stranded DNA Single-stranded DNA, coding (+) strand Double-stranded RNA Single-stranded RNA, coding (+) strand Single-stranded RNA, template (–) strand Wh...

Consider ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. Enthalpy of formation of MX3 =-701kJ/mol enthalpy of sublimation of M= 177 kJ/mol 1st, 2nd, and 3rd ionization energies of M=625 kJ/mol, 1583 kJ/mol, and 2469 kJ/mol Electron affinity of X =-315kJ/mol bond energy of X2= 183kJ/mol Determine the lattice energy of MX3 - correct answer lattice energy = -4885 kJ/mol enthalpy of sublimation is -701 bo...