Hydroxides Study guides, Class notes & Summaries

Certified Pool Operator Test Review 100% Correct 12 Reasons why the health inspector will close your pool - Correct Answer ️️ -1. pump filter not working for more than an hour 2. main drain is not visible 3. chemical readings out of range 4. no pool operator (15 minute grace period) 5. no lifeguard or cpr certs present 6. water is below the skimmer line 7. danger to the public 8. chlorinator is not working 9. health inspector is not allowed in 10. bathrooms + drains not working 1...

1. Describe the trend in ionisation energy down group 2. - Ans .There is an extra electron shell compared to the one above, extra inner shells shield the outer electrons from the attraction of the nucleus. The extra shells means the outer electrons are further away from the nucleus. 2. Group 2 react with water to produce? - Ans .Hydroxides. M(OH)2 3. Group 2 burn in oxygen to form? - Ans .Oxides MO 4. Group 2 react with chlorine to form? - Ans .Chlorides, MCl2 5. Explain the trend in rea...

International Certified Crop Adviser Exam Questions With 100% Correct Answers Soil Minerals - answerClays, carbonates, hydroxides Mineralization - answerOrganic material decomposed into nutrients in a inorganic from Immobilization - answernutrients converted into biomass become 'tied-up' and are unavailable for nutrient cycling Uptake antagonism between ions - answerTwo or more ions may compete for plant uptake by various mechanisms. One ion is said to be antagonistic with regard to the...

INORG CHEM EXAM WITH 100% CORRECT ANSWERS 2024 Always soluble - answersalts of ammonium and group 1A All chlorides are soluble except - answer- AgCl - Hg2 - Cl2 - PbCl2 all bromides are soluble except - answerAgBr, Hg2Br2 PbBr2 All iodides are soluble except - answerAgI Hg2I2 HgI2 PbI2 Chlorates, Nitrates, and Acetates - answerSoluble Sulfates are soluble except - answerCaSO4 SrSO4 BaSO4 HgSO4 PbSO4 Ag2SO4 Phosphate and Carbonates are - answerinsoluble All metallic oxides a...

Certified Pool Operator Test Review Exam Questions And Answers 12 Reasons why the health inspector will close your pool - ANS 1. pump filter not working for more than an hour 2. main drain is not visible 3. chemical readings out of range 4. no pool operator (15 minute grace period) 5. no lifeguard or cpr certs present 6. water is below the skimmer line 7. danger to the public 8. chlorinator is not working 9. health inspector is not allowed in 10. bathrooms + drains not working ...

Inorganic Chemistry Exam With 100% Correct Answers Trends in atomic radius in period 3 - answerAtomic radius decreases from Na to Cl, nuclear charge increases, electrons are added to the same shell so nuclear attraction increases pulling the shells in Why can't atomic radius be measured for argon? - answerArgon exists as single atoms (monoatomic) and does not form any bonds best electrical conductor - answerAluminium as it has 3 delocalised electrons Sodium flame colour - answeryellow ...

Chapter4 chemistry Inorganic chemistry with 100% Correct Answers | Verified | Updated What happens when Group 2 metals react ? - answerWhen group 2 metals react they lose 2 ions and have a +2 charge What is the electronic configuration of all group 2 metals - answerAll group w metals end withe S2 What happens to the ionisation energy as move down group 2 metals. - answerAs you move diwn group 2 tye ionisation energy decreases because there is more shielding (from the positive nucleus an...

CIH Exam Question and answers 100% correct 2023Pickling - correct answer the treatment of metals with acids (derived from early practices with vinegar) - used to remove scale and rust - uses heated sulfuric or hydrochloric acid Bright Dip - correct answer usually mixtures of nitric and sulfuric acids - danger of release of acid gasses - ventilation or inhibitors used to control acid mists Alkaline Cleaning - correct answer sodium or potassium hydroxides or other cleaners ...

Density - ANSWERmass/volume Law of Conservation of Mass - ANSWERmass reactants= mass products Law of Multiple Proportions - ANSWERatoms combine in fixed whole # ratios Alkali metals - ANSWERGroup 1 metals Alkaline earth metals - ANSWERGroup 2 metals Transition metals - ANSWERelements in groups 3-12 mol - ANSWER6.022x10^23 Limiting reactant - ANSWERreactant that's completely used up in a chemical reaction excess reactant - ANSWERreactant which doesn't get used up complet...

12 Reasons why the health inspector will close your pool - correct answer 1. pump filter not working for more than an hour 2. main drain is not visible 3. chemical readings out of range 4. no pool operator (15 minute grace period) 5. no lifeguard or cpr certs present 6. water is below the skimmer line 7. danger to the public 8. chlorinator is not working 9. health inspector is not allowed in 10. bathrooms + drains not working 11. flow rate is too low 12. no phone (landline) Measur...