Safety - Wando High School
... 3. What is an isotope? 4. What is an ion? What are the 2 different types of ions and how do they form? 5. What is Dalton’s atomic theory? Explain what 2 things are wrong with it. Average Atomic Mass 1. What is the difference between average atomic mass and mass # 2. What is the avg. atomic mass for ...
... 3. What is an isotope? 4. What is an ion? What are the 2 different types of ions and how do they form? 5. What is Dalton’s atomic theory? Explain what 2 things are wrong with it. Average Atomic Mass 1. What is the difference between average atomic mass and mass # 2. What is the avg. atomic mass for ...
Name
... 1. Describe how particles move and draw a diagram for each state of matter: a. Solid b. Liquid ...
... 1. Describe how particles move and draw a diagram for each state of matter: a. Solid b. Liquid ...
Unit 7: Chemical Equations & Reactions
... • Re-write H2O as H-OH if hydroxide is present 3. Balance the remaining atoms • End with the least-complex substance • Leave single elements/diatomic molecules until last 4. Double check - Make sure that the atoms of each element are the same on both sides of the equation. ...
... • Re-write H2O as H-OH if hydroxide is present 3. Balance the remaining atoms • End with the least-complex substance • Leave single elements/diatomic molecules until last 4. Double check - Make sure that the atoms of each element are the same on both sides of the equation. ...
Physics 2
... The law of conservation of energy states that energy can’t be created or destroyed, only transferred from one form to another. Hence, when an object, e.g. a ball, falls towards the ground, its gravitational potential energy (PE) decreases as it is transferred into kinetic energy (KE). However, for a ...
... The law of conservation of energy states that energy can’t be created or destroyed, only transferred from one form to another. Hence, when an object, e.g. a ball, falls towards the ground, its gravitational potential energy (PE) decreases as it is transferred into kinetic energy (KE). However, for a ...
Physical Science Week 1
... A particle that has a negative charge and is found outside the nucleus of an atom is… A. An angstrom B. A neutron C. A proton D. An electron ...
... A particle that has a negative charge and is found outside the nucleus of an atom is… A. An angstrom B. A neutron C. A proton D. An electron ...
CHEMICAL EQUATIONS, SYMBOLS, FORULAS 7
... The law of conservation of matter states that matter can neither be created nor destroyed, but can be changed in form. The total mass of the material(s) before the reaction is the same as the total mass of material(s) after the reaction. A balanced chemical equation has the same number of each kind ...
... The law of conservation of matter states that matter can neither be created nor destroyed, but can be changed in form. The total mass of the material(s) before the reaction is the same as the total mass of material(s) after the reaction. A balanced chemical equation has the same number of each kind ...
Review Outline for Atomic Structure Test
... b. How many electrons can be found in the first energy level of an atom? 2 c. How many electrons can be found in the second energy level of an atom? 8 d. How can the electron arrangement/configuration be determined for a neutral atom? In a neutral atom the # of protons = # electrons then fill energy ...
... b. How many electrons can be found in the first energy level of an atom? 2 c. How many electrons can be found in the second energy level of an atom? 8 d. How can the electron arrangement/configuration be determined for a neutral atom? In a neutral atom the # of protons = # electrons then fill energy ...
vibrations and waves
... ____________________ 4. Dalton’s atomic theory stated that atoms separate, combine, or rearrange in chemical reactions. ____________________ 5. Dalton’s atomic theory stated that matter is mostly empty space. ____________________ 6. Dalton was correct in thinking that atoms could not be divided into ...
... ____________________ 4. Dalton’s atomic theory stated that atoms separate, combine, or rearrange in chemical reactions. ____________________ 5. Dalton’s atomic theory stated that matter is mostly empty space. ____________________ 6. Dalton was correct in thinking that atoms could not be divided into ...
Exam Review
... b. How many electrons can be found in the first energy level of an atom? 2 c. How many electrons can be found in the second energy level of an atom? 8 d. How can the electron arrangement/configuration be determined for a neutral atom? In a neutral atom the # of protons = # electrons then fill energy ...
... b. How many electrons can be found in the first energy level of an atom? 2 c. How many electrons can be found in the second energy level of an atom? 8 d. How can the electron arrangement/configuration be determined for a neutral atom? In a neutral atom the # of protons = # electrons then fill energy ...
NOTES Atomic Structure Number Mass.docx
... Initially, scientists tried classifying elements on the basis of their properties, but this didn’t work very well, since most of the known elements were metals, and all metals are malleable, shiny, conduct electricity, and are a similar color. Even where the colors were different, they could not be ...
... Initially, scientists tried classifying elements on the basis of their properties, but this didn’t work very well, since most of the known elements were metals, and all metals are malleable, shiny, conduct electricity, and are a similar color. Even where the colors were different, they could not be ...
Name
... 1. Describe how particles move and draw a diagram for each state of matter: a. Solid b. Liquid ...
... 1. Describe how particles move and draw a diagram for each state of matter: a. Solid b. Liquid ...
What is Chemistry? Chemistry
... o This refers to how many ________________________________ an atom of that element has. o No two elements, have the same number of protons. Atomic Mass o Atomic Mass refers to the “weight” of the atom. o It is derived at by ________________________________________________________________________ ___ ...
... o This refers to how many ________________________________ an atom of that element has. o No two elements, have the same number of protons. Atomic Mass o Atomic Mass refers to the “weight” of the atom. o It is derived at by ________________________________________________________________________ ___ ...
atomic - Hartnett
... • How many protons are there in Lithium-7? • How many neutrons are there in Lithium-7? • How many protons are there in Mg? • How many electrons are there in Mg? ...
... • How many protons are there in Lithium-7? • How many neutrons are there in Lithium-7? • How many protons are there in Mg? • How many electrons are there in Mg? ...
Atomic Theory - World of Teaching
... Nitrogen, Oxygen and Helium are pure substances in a gaseous state. ...
... Nitrogen, Oxygen and Helium are pure substances in a gaseous state. ...
Atomic Structure
... • Same element, same atomic number, number of protons are the same • Different masses, because the number of neutrons varies Example: indicate the number of protons and neutrons in carbon-12 and carbon-14 ...
... • Same element, same atomic number, number of protons are the same • Different masses, because the number of neutrons varies Example: indicate the number of protons and neutrons in carbon-12 and carbon-14 ...
Unit 2 Notes Name - Mr. Walsh`s AP Chemistry
... E.g., there is no such thing as NaCl (aq). When NaCl dissolves in water, it splits into Na+ ions and Cl− ions. This solution of positive and negative ions conducts electricity, and is called an electrolyte. o Ionic compounds are soluble in water if the sum of all of their attractions to the water mo ...
... E.g., there is no such thing as NaCl (aq). When NaCl dissolves in water, it splits into Na+ ions and Cl− ions. This solution of positive and negative ions conducts electricity, and is called an electrolyte. o Ionic compounds are soluble in water if the sum of all of their attractions to the water mo ...
Chapter 4: Introduction to Earth Chemistry Section 1 Notes
... ____________ anything that has mass and takes up space Every object in ____________ is made up of particles of matter. The amount of matter in any object is the _____________of that object. All matter has two types of distinguishing properties—_______________ properties and _____________ properties. ...
... ____________ anything that has mass and takes up space Every object in ____________ is made up of particles of matter. The amount of matter in any object is the _____________of that object. All matter has two types of distinguishing properties—_______________ properties and _____________ properties. ...
half-life - Knittig Science
... • Protons and neutrons attract each other via this nuclear strong force • Much stronger than coulomb repulsive force at short distances ...
... • Protons and neutrons attract each other via this nuclear strong force • Much stronger than coulomb repulsive force at short distances ...
IT IS ELEMENTARY - the OLLI at UCI Blog
... and animal origin • These elements or their very simple compounds can kill—most commonly by interfering with cellular access to oxygen • Nitrogen N2 • Carbon dioxide CO2 • Carbon monoxide CO • Hydrogen cyanide HCN ...
... and animal origin • These elements or their very simple compounds can kill—most commonly by interfering with cellular access to oxygen • Nitrogen N2 • Carbon dioxide CO2 • Carbon monoxide CO • Hydrogen cyanide HCN ...
radioactivity and radioactive decay - rct study guide
... MODES OF DECAY AND TYPES OF RADIOACTIVE EMISSIONS As mentioned above, Rutherford was initially able to identify three types of radiation resulting from radioactive decay: alpha, beta and gamma. Initially, all three radiations were commonly referred to as rays. With time, the characteristics of each ...
... MODES OF DECAY AND TYPES OF RADIOACTIVE EMISSIONS As mentioned above, Rutherford was initially able to identify three types of radiation resulting from radioactive decay: alpha, beta and gamma. Initially, all three radiations were commonly referred to as rays. With time, the characteristics of each ...
Prior knowledge catch-up student sheet for Chapter 3 Quantitative
... For example, the atomic number of sodium is 11 and the mass number is 23. Number of protons = 11 Number of electrons = 11 Number of neutrons = 23 − 11 = 12 Chemical reactions can be represented using a formula to show reactants and products in a chemical equation, with an arrow in between. An equati ...
... For example, the atomic number of sodium is 11 and the mass number is 23. Number of protons = 11 Number of electrons = 11 Number of neutrons = 23 − 11 = 12 Chemical reactions can be represented using a formula to show reactants and products in a chemical equation, with an arrow in between. An equati ...
2nd Semester Chemistry Terms - Glancy 4TH PERIOD PHYSICAL
... 32. Nucleon- a nuclear proton or neutron 33. Half-life- the time required for half the atoms in a sample of a radioactive isotope to decay 34. Transmutation- the conversion of an atomic nucleus of one element into an atomic nucleus of another element through a loss or gain in the number of protons 3 ...
... 32. Nucleon- a nuclear proton or neutron 33. Half-life- the time required for half the atoms in a sample of a radioactive isotope to decay 34. Transmutation- the conversion of an atomic nucleus of one element into an atomic nucleus of another element through a loss or gain in the number of protons 3 ...
Atomic Physics
... If a sample of radium contains 2.6 X 1021 radium-226 and is emitting 3.5 X 1010 particles per second, calculate the half-life if the rate of decay is 1.35 X 10-11 s-1 • T½ = 0.693/λ • T½ = 0.693/1.35 X 10-11 • T½ = 5.15 X 1010 s ...
... If a sample of radium contains 2.6 X 1021 radium-226 and is emitting 3.5 X 1010 particles per second, calculate the half-life if the rate of decay is 1.35 X 10-11 s-1 • T½ = 0.693/λ • T½ = 0.693/1.35 X 10-11 • T½ = 5.15 X 1010 s ...
Science notes on Atoms, Periodic table
... 1st discovered & named by Democritus, who believed it was a small indivisible particle of matter. Aristotle believed that it was infinitely divisible (you could keep on cutting it forever). He also believed that everything was composed of 5 elements: water, earth, fire, air & aether John Dalton then ...
... 1st discovered & named by Democritus, who believed it was a small indivisible particle of matter. Aristotle believed that it was infinitely divisible (you could keep on cutting it forever). He also believed that everything was composed of 5 elements: water, earth, fire, air & aether John Dalton then ...