Sub shells - Study guides, Revision notes & Summaries

AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified What is the equation linking mass moles and MR? Mass=moles * MR What is the definition of Ar (relative atomic mass)? The average mass of an atom of an element compared to the mass of one twelfth of carbon 12. What does Mr stand for? Relative molecular mass Define relative isotopic mass. The mass of an isotope of an element compared to the mass of one twelfth of the mass of carbon 12 ...

CA Applicators Study Course Questions with Verified Solutions What is a Trade Name The name given to the product by the manufacture. What are Inert Ingredients Ingredients with no pesticide action. What is the Signal Word Danger, Warning or Caution, which denotes Toxicity What are Re Entry Levels The amount of time or condition of the application before an unprotected person may enter the treatment area. What are Material Safety Data Sheets, or (MSD's) These documents cover t...

Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024 What is a d-block (or f-block) element? - answerAn element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - answerAn element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - answerPeriods What is the scientific name for the columns on the Periodic Table? - answerGroups What does the group nu...

AS-Level Chemistry :Paper 1 2024 latest update graded a+ Arranged in periods (rows) and groups (columns) by atomic (proton) number - CORRECT ANSWER-How is the periodic table arranged Have the same number of electrons shells, even if they are not all parts of the s or p sub-shells - CORRECT ANSWER-All elements within a period ... Have the same number of electrons in their outer shell, meaning that they all have similar properties - CORRECT ANSWER-All elements within a group ... Periodic...

CA Branch 2 Field Rep Study Guide Latest Version Rated A+ Falsifiable concentrates (EC or E) Formulations made up of the technical material, solvents and emulsifiers. Some agitation is required. Once dry, pesticide residue is barley visible. Wettable Powder (WP) These formulations are made by impregnating or coating an appropriate powder with the technical insecticide. Wettable Powders do not dissolve in water and frequent agitation is usually required. Heavy applications may leave v...

AQA AS Physical Chemistry 2024 exam questions with 100% correct answers Who described atoms as solid spheres that make up different elements and when? - ANSWERS John Dalton in the 19th century Who suggested that atoms of a particular element had the same mass and atoms of different elements had different masses and when? - ANSWERS John Dalton in 1803 Who discovered the electron and when? - ANSWERS JJ Thomson, 1897 discovered electrons proving atoms weren't indivisible or solid. New m...

SAT Chemistry Subject Test Final Exam. units for pressure - CORRECT ANSWER 760 torr = 760 mmHg = 1 atm how to measure pressure - CORRECT ANSWER on a barometer or a manometer allotropes - CORRECT ANSWER -different forms or molecular arrangements of the same element -carbon's allotropes: amorphous carbon (charcoal), graphite, and diamond entropy is 0 for - CORRECT ANSWER a crystalline solid at 0 degrees K the only compound that could result from a neutralization between a strong...

CA Branch 2 Field Rep Study Guide Questions and Answers 100% Pass Falsifiable concentrates (EC or E) Formulations made up of the technical material, solvents and emulsifiers. Some agitation is required. Once dry, pesticide residue is barley visible. Wettable Powder (WP) These formulations are made by impregnating or coating an appropriate powder with the technical insecticide. Wettable Powders do not dissolve in water and frequent agitation is usually required. Heavy applications may leave visi...

Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024 What is a d-block (or f-block) element? - answerAn element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - answerAn element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - answerPeriods What is the scientific name for the columns on the Periodic Table? - answerGroups What does the group nu...

AQA AS Physical Chemistry Exam Questions and Answers Who described atoms as solid spheres that make up different elements and when? - Answer- John Dalton in the 19th century Who suggested that atoms of a particular element had the same mass and atoms of different elements had different masses and when? - Answer- John Dalton in 1803 Who discovered the electron and when? - Answer- JJ Thomson, 1897 discovered electrons proving atoms weren't indivisible or solid. New model named plum puddin...