Hydroxides - Study guides, Class notes & Summaries

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...

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...

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 ...

Certified Pool Operator Test Review Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+ 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 insp...

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...

What is lime and what is it used for? correct answersIt's a calcium-containing mineral, typically containing hydroxides/oxides . Lime is used to soften water [reduce hardness] and to precipitate phosphorous. What is alkalinity and where does it come from in natural waters? correct answersAlkalinity is the capability of water to neutralize acid without a significant change in pH. In natural waters, it primarily comes from carbonate and bicarbonate ions (CO3, HCO3), which react with free H+ io...

Certified Pool Operator Test Review Questions and Answers 100% Pass 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 + d...

Strong Acids And Bases Study Guide Test 2024. HBr - correct answer hydrobromic acid (strong acid/electrolyte) HCl - correct answer hydrochloric acid (strong acid/electrolyte) HI - correct answer hydroiodic acid (strong acid/electrolyte) HNO3 - correct answer nitric acid (strong acid/electrolyte) HClO4 - correct answer perchloric acid (strong acid/electrolyte) HF - correct answer hydrofluoric acid (weak acid/electrolyte) HC2H3O3 - correct answer acetic acid (weak acid/electroly...

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...

Acids And Bases Lab Study Guide Test 2024. what are acids and bases according to the bronsted lowry theorem - correct answer acids are hydrogen ion donors, bases are hydrogen ion acceptors. what does the bronsted lowry theorem state - correct answer each acid has corresponding base, called the conjugate base, that is formed when acid loses hydrogen ion. what is the equation for the bronsted lowry theorem - correct answer HA + H₂O → H₃O⁺ + A⁻ acid ← hydronium conjugate base ...