Bohr model Samenvattingen, Aantekeningen en Examens

Atomic Structure Questions & Answers Matter - Answer-Everything that takes up space and has mass. Periodic Table - Answer-Chart that shows all known elements and their properties. Element - Answer-A type of matter that cannot be broken down chemically. Chemical Symbol - Answer-One or more letters representing an element. Atom - Answer-The smallest particle of an element, made of protons, neutrons, and electrons. Proton - Answer-A subatomic particle with a positive charge. Neutron - Answer...

Atom the basic building block of matter that make up everyday objects Nucleus (atom) the center of an atom that contains the protons and neutrons Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:02 / 0:15 Full screen Electron Cloud the area around the nucleus of an atom where electrons are found Protons positive charged subatomic particles found in the nucleus Neutrons neutral charged subatomic particles fou...

Why are alpha particles deflected by the nucleus? - Answer-Because both the alpha particles and the nucleus are positively charged and so the alpha particle is repelled. Is this statement (Dalton's Theory) true or false and why? "All atoms of an element are identical and have the same mass and properties." - Answer-False. Atoms of the same element can have different numbers of neutrons. What is the evidence that electrons are subatomic particles? - Answer-The nature of the electron is i...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) -...

GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED What does 'aq' mean? - answer Aqueous - it is dissolved in water Water - formula - answer H20 Ammonia - formula - answer NH3 Carbon Dioxide - formula - answer CO2 Hydrogen - formula - answer H2 Chlorine - formula - answer Cl2 Oxygen - formula - answer O2 Ammonium (ion) - formula - answer NH4 (+) Hydroxide (ion) - formula - answer OH (-) Nitrate (ion) - formula - answer NO3 (-) Carbonate (ion) -...

AQA GCSE Chemistry - Paper 1 Exam Questions With Complete Solutions What is the charge of a proton? - ANSWER +1 What is the charge of a neutron? - ANSWER 0 What is the charge of an electron? - ANSWER -1 What is the relative mass of a proton? - ANSWER 1 What is the relative mass of a neutron? - ANSWER 1 What is the relative mass of an electron? - ANSWER Very small How many types of atoms do elements contain? - ANSWER Only one type What are compo...

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 ...

MTTC integrated Sciences 094 physical sciences graded A+ Plasma ionized gas that has some electrons that are described as free because they are not bound to an atom or molecule specific gravity measurement of the density of substances in a liquid compared to water atomic theory a theory that states that all matter is composed of tiny particles called atoms. John Dalton developed modern atomic theory negative ion anion, gains electrons positive ion cation; loses electrons ionic bo...

BIOC 3560 Midterm Exam Questions With Answers Latest 2023/2024 (Graded 100%). Select the statement that accurately describes an O2-binding curve of a globin. (A) The heme-O2 binding curve is a sigmoidal curve. (B) Hemoglobin and myoglobin have reciprocal pO2-binding curves. (C) Hemoglobin has a sigmoidal O2-binding curve. *** (D) Myoglobin has a sigmoidal O2-binding curve. (E) All of the above. 2. Which statement is false with respect to enzyme phosphorylation? (A) The modification is irr...

Plasma - Answer ionized gas that has some electrons that are described as free because they are not bound to an atom or molecule specific gravity - Answer measurement of the density of substances in a liquid compared to water atomic theory - Answer a theory that states that all matter is composed of tiny particles called atoms. John Dalton - Answer developed modern atomic theory negative ion - Answer anion, gains electrons positive ion - Answer cation; loses electrons ionic bon...