Ion colour - Study guides, Revision notes & Summaries

1. Which 2 transition metals do not have a fully filled 4s orbital? - Ans .Chromium and copper 2. What advantage does a fully or half filled shell give a transition metal and why? - Ans .Makes more stable 3. What is the definition of a transition element? - Ans .D-block element which form at least one ion with a partially filled d orbital 4. Which 2 elements in the d block do not qualify as transition metals and why? - Ans .Zinc and scandium. Their ions have full d orbitals and not part...

Which of the following is the best example of homeostasis? a) Sexual reproduction b) Growth c) Regulation of body temperature d) Growth of hair under the arms e) Storage of food in the form of fat - ANSWER c) Regulation of body temperature The concentration of physiological saline is: 1 a) 5.0% b) 7.0% c) 8.5% d) 0.85% e) 0.7% - ANSWER d) 0.85% Which of the following pipettes is the most accurate? a) Serological pipette b) Mohr pipette c) Volumetric pipette d) Pasteur pipette e) None of th...

Bronsted-Lowry acid - ANSWER a proton donor. Bronsted-Lowry base - ANSWER proton acceptor What is H3O+? - ANSWER hydronium ion definition of pH - ANSWER -log10[H+] How do you get [H+] from ph? - ANSWER 10^(-pH) the ionic product of water - ANSWER [OH-][H+] Is dissociation an endo or exothermic reaction? - ANSWER endothermic Why is the concentration of water not included in Kw? - ANSWER The concentration of water is so large and constant the equilibrium equation can be simplified How do...

CSMLS REVIEW QUESTIONS 2 AND ANSWERS 100% Solved Correctly 2024 When you have a STAT request, you should perform the test ? - answerImmediately If you use a " To Contain " pipette , you should ? - answerRinse it out to make sure all of the content is delivered The electrical conductivity of distilled or deionized water is ? - answerLow In order to deliver the total volume from the pipette which has a frosted rng near the colour code you will ? - answerBlow out the last drop Which of th...

AQA A – LEVEL BIOLOGY PAPER 2 AND PAPER 3 2020 QUESTION PAPER 2020 What are monomers? - CORRECT ANSWER-The smaller units from which larger molecules are made What are polymers? - CORRECT ANSWER-Molecules made from a large number of monomers joined together What are examples of monomers? - CORRECT ANSWER-Monosaccharides, amino acids and nucleotides What happens in a condensation reaction? - CORRECT ANSWER-Two molecules are joined together with the formation of a chemical bond, it invol...

MLPAO MLA/T Exam (Answered) Over 800 Questions and Correct Answers, Guaranteed A+ In Your Exams, Verified Guide Which of the following is the best example of homeostasis? a) Sexual reproduction b) Growth c) Regulation of body temperature d) Growth of hair under the arms e) Storage of food in the form of fat c) Regulation of body temperature The concentration of physiological saline is: 1 a) 5.0% b) 7.0% c) 8.5% d) 0.85% e) 0.7% d) 0.85% Which of the following pipettes is the most accurate...

matter - correct answer takes up space and weighs something, has volume and mass, and thus density density - correct answer g/mL mixtures - correct answer two or more compounds mixed together compounds - correct answer groups of identical molecules 3 types of mixtures - correct answer ...

Topic 2 - Inorganic chemistry Exam With 100% Correct Answers 2024 What is the trend in atomic radius down group 7 Increases because as you go down the group, there are more shells so more shielding so a weaker attraction between the nucleus and the outer electrons is the ionic radius bigger compared to the atomic radius in group 7 Yes because the halide ion has the same number of protons but more electrons than the halogen atom so the attraction is weaker What is the trend in boiling poi...

Edexcel Chemistry Paper 1 Exam Question With Complete Solutions hydrogen ions - ANSWER What are acids in solution a source of? hydroxide - ANSWER What are alkalis in solution a source of? 7 - ANSWER What is the pH of a neutral solution? low (less than 7) - ANSWER Do acidic solutions have high or low pH values? high (greater than 7) - ANSWER Do alkaline solutions have high or low pH values? alkaline - ANSWER Is this solution acidic or alkaline...

▪ Newton's law of gravitation - Ansthe fore between two-point masses is directly proportional to the product of the masses and inversely proportional to the square of the separation of the distance between them F=(-GMm)/r^2 ▪ Brownian motion - Ansthe continuous random motion of small particles suspended in a fluid, visible under a microscope ▪ Absolute scale of temperature - AnsA scale for measuring temperature based on absolute zero and the triple point of pure water, with grad...