Chemistry Common Assessment Quarter One
... 2 points well developed explantion 3 points well developed explantion with examples 4 points well developed explanation, examples, and critical connections 54. Explain how the atoms of one element differ from those of another element. 55. Explain why the 4s sublevel fills before the 3d sublevel begi ...
... 2 points well developed explantion 3 points well developed explantion with examples 4 points well developed explanation, examples, and critical connections 54. Explain how the atoms of one element differ from those of another element. 55. Explain why the 4s sublevel fills before the 3d sublevel begi ...
atoms 1l2l
... A Bohr-‐Rutherford diagram can be completed in a few simple steps, and when done properly shows the numbers and locations of protons, neutrons, and electrons of an atom. In order to input the co ...
... A Bohr-‐Rutherford diagram can be completed in a few simple steps, and when done properly shows the numbers and locations of protons, neutrons, and electrons of an atom. In order to input the co ...
Periodic Table
... go down the group. Atomic number gets larger as you go across the row from _________to _________ (period) and down the _______. Some of the elements are named after ________, _______, countries, and their Latin or Greek names. Hydrogen and Helium are separate from the other elements in their group. ...
... go down the group. Atomic number gets larger as you go across the row from _________to _________ (period) and down the _______. Some of the elements are named after ________, _______, countries, and their Latin or Greek names. Hydrogen and Helium are separate from the other elements in their group. ...
Chapter 8 Study Guide
... a. Chemists discovered that if two or more different compounds are composed of the same elements, the ratio of the masses of the second element is always a ratio of small whole numbers. This example illustrates the law of multiple proportions ...
... a. Chemists discovered that if two or more different compounds are composed of the same elements, the ratio of the masses of the second element is always a ratio of small whole numbers. This example illustrates the law of multiple proportions ...
Ch 3 Outline- Intro to Atom and Periodic Table
... b. Synthesized (made) when nuclear particles are forced to crash into each other. c. Called “synthetic elements” i. Example Plutonium (Pu) is made in a nuclear reactor. d. Elements with atomic numbers over 95 such as Curium (Cm), Einsteinium (Es) and others can only be synthesized using a particle a ...
... b. Synthesized (made) when nuclear particles are forced to crash into each other. c. Called “synthetic elements” i. Example Plutonium (Pu) is made in a nuclear reactor. d. Elements with atomic numbers over 95 such as Curium (Cm), Einsteinium (Es) and others can only be synthesized using a particle a ...
Atomic Theory Notes Page
... A model is a simplified representation of something you want to explain (so a model that represents the structure of an atom is called an atomic model). An Atom- the smallest unit of an element that retains the chemical properties of that element and can exist as a separate particle. Atomic th ...
... A model is a simplified representation of something you want to explain (so a model that represents the structure of an atom is called an atomic model). An Atom- the smallest unit of an element that retains the chemical properties of that element and can exist as a separate particle. Atomic th ...
Study Island
... properties and belong to the same family of elements. Valence electrons are the outermost electrons in the atom and are important in determining how the atom chemically reacts with other atoms. 2. Matter is conserved during a chemical reaction, which means that the number of atoms involved in the re ...
... properties and belong to the same family of elements. Valence electrons are the outermost electrons in the atom and are important in determining how the atom chemically reacts with other atoms. 2. Matter is conserved during a chemical reaction, which means that the number of atoms involved in the re ...
The Atom - Taylorsville
... 2000 years later John Dalton – School Teacher Five main points of Dalton's atomic theory 1. Elements are made of tiny particles called atoms. 2. All atoms of a given element are identical. ...
... 2000 years later John Dalton – School Teacher Five main points of Dalton's atomic theory 1. Elements are made of tiny particles called atoms. 2. All atoms of a given element are identical. ...
Slide 1
... Elements that are reactive bond easily with other elements to make compounds. Some elements are only found in nature bonded with other elements. What makes an element reactive? ...
... Elements that are reactive bond easily with other elements to make compounds. Some elements are only found in nature bonded with other elements. What makes an element reactive? ...
Atomic Structure
... following: Protons, neutrons, electrons, nucleus, electron cloud, any and all shells Write down the name, atomic number, atomic mass, and symbol ...
... following: Protons, neutrons, electrons, nucleus, electron cloud, any and all shells Write down the name, atomic number, atomic mass, and symbol ...
Regents questions
... Sample 7.1 Natural gas used in home heating and cooking is odorless. Because natural gas leaks pose the danger of explosion or suffocation, various smelly substances are added to the gas to allow detection of a leak. One such substance is methyl mercaptan, CH3SH. Use Figure 7.6 to predict the lengt ...
... Sample 7.1 Natural gas used in home heating and cooking is odorless. Because natural gas leaks pose the danger of explosion or suffocation, various smelly substances are added to the gas to allow detection of a leak. One such substance is methyl mercaptan, CH3SH. Use Figure 7.6 to predict the lengt ...
the atomic theory
... 3. Ernest Rutherford 4. James Chadwick 5. Neils Bohr 6. nucleus 7. proton 8. neutron 9. electron 10. shell 11. atomic number 12. atomic mass 13. Bohr Model 14. subatomic particle 15. isotope 16. empty bus seat rule B/ THE HISTORY OF THE ATOM: - John Dalton ...
... 3. Ernest Rutherford 4. James Chadwick 5. Neils Bohr 6. nucleus 7. proton 8. neutron 9. electron 10. shell 11. atomic number 12. atomic mass 13. Bohr Model 14. subatomic particle 15. isotope 16. empty bus seat rule B/ THE HISTORY OF THE ATOM: - John Dalton ...
CHAPTER 2: ATOMS, IONS, AND COMPOUNDS
... water, fire, and earth. Aristotle (384-321 B.C.): accepted Empedocles idea and added a fifth element, heavenly ether, which is perfect, eternal, and incorruptible. Aristotle’s idea of five basic elements was accepted for 2000 years. John Dalton (1766-1844), an English chemist and physicist, establis ...
... water, fire, and earth. Aristotle (384-321 B.C.): accepted Empedocles idea and added a fifth element, heavenly ether, which is perfect, eternal, and incorruptible. Aristotle’s idea of five basic elements was accepted for 2000 years. John Dalton (1766-1844), an English chemist and physicist, establis ...
Fall Semester Review Packet
... 13. Explain how atoms of the same element may differ. Include all of the following terms in your explanation. Isotopes, ions, cations, anions, neutrons, electrons, and protons. 14. Explain the rules and describe the differences in nomenclature for molecular and ionic compounds. Give several examples ...
... 13. Explain how atoms of the same element may differ. Include all of the following terms in your explanation. Isotopes, ions, cations, anions, neutrons, electrons, and protons. 14. Explain the rules and describe the differences in nomenclature for molecular and ionic compounds. Give several examples ...
study guide - atomic srtucture/_classification of matter
... Nuclear symbol: Show the element’s symbol, the atomic mass & the atomic number. Mass goes on the top left of the symbol, number goes on the bottom left of the symbol. mass#atomic number X Bohr Model: Shows number of electrons in each energy level around the nucleus. Mixtures vs. Substances ...
... Nuclear symbol: Show the element’s symbol, the atomic mass & the atomic number. Mass goes on the top left of the symbol, number goes on the bottom left of the symbol. mass#atomic number X Bohr Model: Shows number of electrons in each energy level around the nucleus. Mixtures vs. Substances ...
Goal 4.01
... Given the notation of an element you should be able to determine the number of p, n, and e. The first step is to find the element on the periodic table and determine its atomic number which gives you the number of p. The number of p’s will never change. From there you must determine the number of n ...
... Given the notation of an element you should be able to determine the number of p, n, and e. The first step is to find the element on the periodic table and determine its atomic number which gives you the number of p. The number of p’s will never change. From there you must determine the number of n ...
Chemistry for Changing Times
... Law of Multiple Proportions • Elements might combine in more than one set of proportions – Each set makes up a new compound ...
... Law of Multiple Proportions • Elements might combine in more than one set of proportions – Each set makes up a new compound ...
Chapter 2 - Hope Charter School
... a. As electrons gain energy they jump to a higher level (quantize) b. As they release the energy they give off light and drop back down—this emission spectrum is unique for an element or compound c. Bohr’s model accounts for these specific energy levels 1) as we go higher up there is less energy dif ...
... a. As electrons gain energy they jump to a higher level (quantize) b. As they release the energy they give off light and drop back down—this emission spectrum is unique for an element or compound c. Bohr’s model accounts for these specific energy levels 1) as we go higher up there is less energy dif ...
Name_________________________________
... Go to http://sciencespot.net/ and click the Kid Zone graphic! Part 2: Go to the “Matter and Atoms” Section under Chemistry. Click on “Science is Fun” under General Sites. Go to the “ChemTime Clock” area to find the answers. 1) All materials, whether solid, liquid or gas, are made of ____________. ...
... Go to http://sciencespot.net/ and click the Kid Zone graphic! Part 2: Go to the “Matter and Atoms” Section under Chemistry. Click on “Science is Fun” under General Sites. Go to the “ChemTime Clock” area to find the answers. 1) All materials, whether solid, liquid or gas, are made of ____________. ...
The atom
... • Described composition and behavior of matter in terms of 4 qualities: hot, cold, moist, and dry • Said any substance could be changed into another by changing one of those qualities • Meaning, we could change lead to gold • Alchemy: a field of study concerned primarily with finding potions that wo ...
... • Described composition and behavior of matter in terms of 4 qualities: hot, cold, moist, and dry • Said any substance could be changed into another by changing one of those qualities • Meaning, we could change lead to gold • Alchemy: a field of study concerned primarily with finding potions that wo ...
Chemistry in Focus 3rd edition Tro
... – Specified with n, the orbit’s quantum number • Fixed energies • Fixed radii • Maximum number of electrons based on n • This model is an oversimplification (as are most models). ...
... – Specified with n, the orbit’s quantum number • Fixed energies • Fixed radii • Maximum number of electrons based on n • This model is an oversimplification (as are most models). ...