Bohr model Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Bohr model? On this page you'll find 271 study documents about Bohr model.
Page 2 out of 271 results
Sort by
-
AQA AS Physical Chemistry 2024 exam questions with 100% correct answers
- Exam (elaborations) • 29 pages • 2024
- Available in package deal
-
- $13.99
- + learn more
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...
-
OCR 2023 GCSE Combined Science Physics A Gateway Science J250/11: Paper 11 (Higher Tier) Question Paper & Mark Scheme (Merged) COMBINED SCIENCE PHYSICS A
- Exam (elaborations) • 47 pages • 2024
-
- $7.99
- + learn more
OCR 
2023 
GCSE 
Combined Science Physics A Gateway Science 
J250/11: Paper 11 (Higher Tier) 
Question Paper & Mark Scheme (Merged) 
COMBINED SCIENCE PHYSICS 
A 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Thursday 25 May 2023 – Morning 
GCSE (9–1) Combined Science A 
(Physics) (Gateway Science) 
J250/11 Paper 11 (Higher Tier) 
Time allowed: 1 hour 10 minutes 
INSTRUCTIONS 
• Use blac...
-
AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Exam (elaborations) • 23 pages • 2024
- Available in package deal
-
- $13.99
- + learn more
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 
...
-
AQA AS Physical Chemistry 2024 exam questions with 100% correct answers
- Exam (elaborations) • 16 pages • 2024
-
- $14.49
- + learn more
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...
-
CLEP Chemistry questions well answwred graded A+ 2023
- Exam (elaborations) • 15 pages • 2023
- Available in package deal
-
- $15.49
- + learn more
CLEP ChemistryJohn Dalton - correct answer Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. 
 
J.J. Thompson - correct answer Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom 
 
Robert Millikan - correct answer Calculated the charge-to-mass ratio of electr...
Make study stress less painful
-
Nuclear Medicine Physics question and answers rated A+ 2023 passed
- Exam (elaborations) • 8 pages • 2023
- Available in package deal
-
- $9.99
- + learn more
Nuclear Medicine Physics question and answers rated A+ 2023 passedBinding energy - correct answer min amount of energy required to "free" and electron from an atom. 
 
Unstable vs stable - correct answer stable-non radioactive 
unstable- radioactive 
 
Ionization - correct answer removal of an ELECTRON from an atom 
 
Excitation - correct answer electron absorbs enough energy to make it move to an UNOCCUPIED shell 
 
Strong nuclear force - correct answer energy used to hold particles inside th...
-
CHEM 305 Chapter 4 Exam Questions And Answers 2024
- Exam (elaborations) • 10 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
CHEM 305 Chapter 4 Exam Questions And Answers 2024 
1. Light - ANS-a form of electromagnetic radiation which is a type of energy that travels through 
space in a constant speed and wave pattern 
2. Waves with shorter wavelengths - ANS-have high energy and high frequency 
3. waves with long wavelengths - ANS-have low energy and low frequency 
4. waves with high energy - ANS-have short wavelengths and high frequency 
5. waves with low energy - ANS-have long wavelengths and low frequency 
6. what ...
-
AQA AS Physical Chemistry Exam Questions and Answers
- Exam (elaborations) • 45 pages • 2024
-
- $13.49
- + learn more
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...
-
AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Exam (elaborations) • 23 pages • 2024
- Available in package deal
-
- $14.99
- + learn more
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 
...
-
AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Exam (elaborations) • 23 pages • 2024
- Available in package deal
-
- $12.99
- + learn more
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 
...
Study stress? For sellers on Stuvia, these are actually golden times. KA-CHING! Earn from your study resources too and start uploading now. Discover all about earning on Stuvia