Structural isomer - Study guides, Class notes & Summaries

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...

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 p...

AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022 *JUN* IB/M/Jun22/E7 7404/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 Section B TOTAL Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions...

FSE 1105 Organic Chemistry Review Questions 100% Pass What field of chemistry focuses on compounds that include carbon? Organic Chemistry What are covalent bonds? Bonds created when two atoms share electrons between them. How would you define an isomer? Two or more substances that have the same number of atoms of each element but are arranged differently. Another way to describe an isomer? Compounds with identical molecular formulas but distinct structural formulas. What does...

ULTIMATE AP Biology Exam Review Questions and Answers Graded A+ Define the following: isotope, valence shell, covalent bond, ionic bond Isotope- one of several atomic forms of an element, each with the same # of protons, but different number of neutrons Valence shell- the outermost energy shell of an atom, containing valence electrons involved in chemical reactions Covalent bond- bond where the electrons are shared Ionic bonds- a chemical bond resulting from the attractions between op...

Biology 1001 MUN Section 2 Questions and Answers 100% Pass **1. What is the fundamental structural component of all large molecules in living organisms?** - Carbon. **2. What significant contribution did Friedrich Wöhler make to organic chemistry?** - He synthesized urea without using kidneys, which paved the way for creating more complex organic compounds. **3. What characterizes a cis isomer of an alkene?** - In a cis isomer, the hydrogen atoms attached to the double bond...

Ultimate AP Biology Vocabulary Review Exam Questions And Answers polar - ANS Molecule with partial charges. Mixes with water. nonpolar - ANS No partial charges. Do not mix with water. electronegativity - ANS Attraction of an atom for electrons in a covalent bond. cohesion - ANS Water molecules sticking to each other. adhesion - ANS Water molecules sticking to other surfaces. solute - ANS Something dissolved in a solution. solvent - ANS Dissolving agent o...

ULTIMATE AP Biology Exam Review Questions And Answers Define the following: isotope, valence shell, covalent bond, ionic bond - ANS Isotope- one of several atomic forms of an element, each with the same # of protons, but different number of neutrons Valence shell- the outermost energy shell of an atom, containing valence electrons involved in chemical reactions Covalent bond- bond where the electrons are shared Ionic bonds- a chemical bond resulting from the attractions between o...

Diamond correct answersA crystalline form in which each carbon atom is bonded to four other carbon atoms Graphite correct answersEach carbon atom is bonded to three other carbon atoms in flat layers Fullerene correct answersCarbon atoms arranged in a sphere Nanotube correct answersCarbon atoms arranged in the shaped of a long, hollow cylinder Organic Compound correct answersCompounds that contain carbon Hydrocarbon correct answersCompound containing only carbon and hydrogen Str...

ULTIMATE AP Biology Exam Review Questions and Answers Graded A+ Define the following: isotope, valence shell, covalent bond, ionic bond Isotope- one of several atomic forms of an element, each with the same # of protons, but different number of neutrons Valence shell- the outermost energy shell of an atom, containing valence electrons involved in chemical reactions Covalent bond- bond where the electrons are shared Ionic bonds- a chemical bond resulting from the attractions between op...