Metallic bonds Study guides, Revision notes & Summaries

NIC Cosmetology practice Exam 139 Questions with Verified Answers Which tissue protects other body parts? epithelial connective nerve muscular - CORRECT ANSWER epithelial a fungal organism that can be spread by skin or hair is known as? furuncle pityriasis scabies tinea - CORRECT ANSWER tinea - medical term for ringworm which of the following is a disease known as fever blisters? measles herpes simplex pneumonia influenza - CORRECT ANSWER herpes simplex which of the...

Inorganic Chemistry Exam 3 With 100% Correct Answers 2024 What is electronegativity? - answerhow hard an element pulls on electrons in a bond electronegativity is related to? - answerdipole moments, ionization energy, electron affinity, Zeff, and radii what are the four different types of bonds? - answerionic, covalent, polar covalent, and metallic covalent what is the Mulliken equation? - answerX=EA+IE/2 what is the Mulliken equation used for? - answerto calculate electronegativity from...

A LEVEL CHEMISTRY WITH VERIFIED QUESTIONS AND ANSWERS Weak acid - an acid that is only slightly ionised/dissociated in aqueous solution Oxidation - loss of electrons Reduction - gain of electrons Ionic bonding - The electrostatic attraction between oppositely charged ions Covalent bonds - sharing of a pair of electrons Electronegativity - the ability of an atom to attract the electrons in a covalent bond Relative atomic mass - The weighted mean mass of an atom of an element ...

Skills USA Cosmetology Test Study Guide 115 Questions with Verified Answers Permanent waving - CORRECT ANSWER the physical and chemical process of making straight hair curly Glycerol Monothioglycolate - CORRECT ANSWER The main ingredient found in an acid wave is 6.9 to 7.2 - CORRECT ANSWER Acid perms fall within the pH range of applying the perm solution, rinsing the perm solution, neutralizing - CORRECT ANSWER The chemical phase of permanent waving involves Croquignole and spiral...

- scissor over comb work narrow sections but no wider than the comb An Acid- balance rinse may be used - to preserve the color in tinted hair After a permanent wave what advise should the cosmetologist give to the client for at home maintenance to help ensure the perm does not quick relax : - *Use an alkaline shampoo followed by alkaline rinse . *Brush the hair frequently during the first three days to even out the curl. *Use a moisturizing conditioner *Use an acid balance shampoo fol...

ABCTE Biology Terms Exam 143 Questions with Verified Answers Acidic solution - CORRECT ANSWER contains more hydrogen ions than hydroxide ions basic solution - CORRECT ANSWER contains more hydroxide ions than hydrogen ions colligative properties - CORRECT ANSWER properties of a solution that depend only on the number of particles dissolved in it, not the properties of the particles themselves. The main ones are boiling point elevation and freezing point depression. boiling point eleva...

Chagas Disease - Caused by Trypanosoma cruzi parasite passed in the feces of Reduviidae/kissing bug Penetrates broken skin or intact mucous membranes forming a pseudocyst releasing inflammatory infiltrates into myocytes; stains with Giemsa & Wright Romana sign occurs when portal of entry is the conjunctiva or eyelid May resulting in: Enlarged heart- CHF, sudden cardiac arrest Enlarged esophagus- difficulty swallowing Enlarged colon- abdominal pain or constipation Treat with benzn...

Chapter 1—The Facts of Life: Chemistry Is the Logic of Biological Phenomena MULTIPLE CHOICE 1. All are distinctive properties of living systems EXCEPT: a. Living organisms are relatively simple. b. Biological structures play a role in the organism's existence. c. The living state is characterized by the flow of energy through the organism. d. Living organisms are highly organized. e. Living organisms are actively engaged in energy transformation. ANS: A PTS: 1 2. Even though the bui...

Valance shell Outermost electron shell and its electrons determine chemical behaviour and bonding Radioactive isotopes Useful in medical diagnostic tests and in research Atoms can gain or lose electrons ... Metals lose electrons and non-metals accept ... Anions negatively charged ions (gain electrons) Cations positively charged ions (lose electrons) Intramolecular bonds Strong bonds - ionic, covalent, or metallic bonds Intermolecular bond...

BTEC Applied Science Unit One Chemistry – Complete Questions and Answers 2023. How many electrons can each orbital hold? correct answerTwo How many electrons can be held in each sub shell? correct answerS - 2 P - 6 D - 10 F - 18 Put the sub shells in order do their energy, lowest to highest correct answerS, p, d and f How do we fill the p and d subshells correct answersingly first and then doubly What is an orbital? correct answerA region of space around the nucleus where there is a 95%...