Halogens - Study guides, Class notes & Summaries

This low-level disinfectant is incompatible with soap. (A) Alcohol (B) Phenol (C) Quaternary ammonium compounds (D) Ortho-phtalaldehyde C When using glutaraldehyde, technicians should always wear latex gloves for protection. (A) True (B) False B When using high-level disinfectants it is important to remember they may be deactivated by (A) dilution. (B) organic matter. (C) time. (D) all the above. B In an automated washer the key source of disinfection is ...

Which of the following is true? A. Metabolism only involves breaking down larger molecules. - Answer Amphibolic rxns can proceed toward anabolism or catabolism. Which of the following is associated with the greatest risks to human health? - Answer Ethylene oxide. The presence of mycolic acid in the cell wall characterizes? - Answer Myobacteria. Which of the following is a fungis? - Answer Saccharomyces. Which microbe is correctly paired with its BSL level? - Answer MR...

The atom - Consists of a small nucleus with a positive charge containing most of the weight. Has an electron cloud with mostly empty space but some electrons as well Protons - The chemical identity of the element Electrons - Ionic character of atom Neutrons - Isotopic character of the atom Atomic number (Above element on PT) represents... - Number of protons Mass number represents... - Sum of protons and neutrons Atomic mass (Under element on PT) represents... - An average of the atomic m...

AAMI Intro to Chemistry Midterm Review 2024 Questions and Answers 100% Pass The 5 chemical properties of matter - Correct Answer ️️ -reactivity, combustibility, valence, combining requirements, stability The atomic mass is equal to the sum of the... - Correct Answer ️️ -protons and neutrons Hydrogen has no... - Correct Answer ️️ -neutrons The outer orbit (last shell) requires how many valence electrons? - Correct Answer ️️ - 8 The 1st shell must have how many electrons t...

3 stages of cellular respiration - glycolysis, krebs cycle, electron transport chain 5 Mechanisms of antibacterial drugs - Ihibition of: cell wall, protein, nucleic acid synthesis and metabolic pathway Interference: cell membrane integrity 7 methods of physical control - heat, pasteurization, cold, pressure, filtration, desiccation, and radiation 7 types of disinfectant - phenols, halogens, alcohols, heavy metals, oxidizing agents, aldehydes, acids and alkalis Acids and Alkalis - used to...

Bio 251 exam 2 newest actual exam complete 500 questions and correct detailed answers (verified answers) || graded a+ List two ways resident microbiota defend against pathogens. ANSWER1) occupation of cellular binding sites and 2) competition for available nutrients. Resident microbiota prevents the critical early steps of pathogen attachment and proliferation required for the establishment of an infection Which of the following chemical control agents is no longer in common use? a. ...

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...

Organic Chemistry Complete Study Guide Test. Alkane - CORRECT ANSWER a hydrocarbon containing only single covalent bonds Alkene - CORRECT ANSWER Alkyne - CORRECT ANSWER Alcohol - CORRECT ANSWER Ether - CORRECT ANSWER Ester - CORRECT ANSWER Amine - CORRECT ANSWER Aldehyde - CORRECT ANSWER Ketone - CORRECT ANSWER An organic compound with a carbonyl group of which the carbon atom is bonded to two other carbons. Alkoxy - CORRECT ANSWER is an -OR group, an alkyl...

What is a blend of two or more components who's equilibrium vapor phase & liquid phase compositions are the same at a given pressure? - Azeotrope This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine, chlorine, and bromine - Halocarbon Chlorofluorocarbons (CFCs) consist of? - Chlorine, fluorine, carbon CFCs are chemically very stable because they contain no? - Hydrogen CFCs are damaging to what layer of the ozone layer? - Stratospheric Of the three comm...

Test Bank for Chemical Principles: The Quest for Insight 8e 8th Edition by Peter Atkins; Loretta Jones; Leroy Laverman; Kelley Young; James Patterson. Full Chapters are included (Focus 1 to Focus 10 are included) Focus 1: Atoms 1A Investigating atoms 1B Quantum theory 1C Wavefunctions and energy levels 1D The hydrogen atom 1E Many-electron atoms 1F Periodicity Focus 2: Bonds Between Atoms 2A Ionic bonding 2B Covalent bonding 2C Beyond the octet rule 2D The properties of bonds 2...