Chemistry--Chapter 5: Atomic Structure and the Periodic Table
... In contrast, the negatively charged ________________(12) occupy most of the volume of the atom. The number of ________________(13) in the nucleus of an atom is the atomic ________________(14) of that element. Because atoms are electrically neutral, the number of protons and ________________(15) in a ...
... In contrast, the negatively charged ________________(12) occupy most of the volume of the atom. The number of ________________(13) in the nucleus of an atom is the atomic ________________(14) of that element. Because atoms are electrically neutral, the number of protons and ________________(15) in a ...
1305- practise exam 2
... PART II – Show your work: (8 points each) 21a. Element X has natural isotopes; X-63 (62.940amu) and X-65 (64.928amu). Calculate the atomic mass of element X given the abundance of X-63 is 69.17% b. Which element corresponds to each of the following electron configuration? i. 1S2 2S2 2P5 ii. 1S2 2S2 ...
... PART II – Show your work: (8 points each) 21a. Element X has natural isotopes; X-63 (62.940amu) and X-65 (64.928amu). Calculate the atomic mass of element X given the abundance of X-63 is 69.17% b. Which element corresponds to each of the following electron configuration? i. 1S2 2S2 2P5 ii. 1S2 2S2 ...
Atomic Physics
... another. An interference pattern is observed on a screen placed at about 1.0 m away. Two slits act as new sources of spherical waves. These new waves interfere to produce constructive interference (bright spots) and destructive interference (dark spots). This experiment was proof that light behaved ...
... another. An interference pattern is observed on a screen placed at about 1.0 m away. Two slits act as new sources of spherical waves. These new waves interfere to produce constructive interference (bright spots) and destructive interference (dark spots). This experiment was proof that light behaved ...
Isotopes and Average Atomic Mass
... Example…Cesium has three known isotopes: Cs – 133, Cs – 132, and Cs – 134. Their abundances in nature are 75%, 20%, and 5% respectively. What is the average atomic mass of cesium? Steps #1, #2 and #3 can be performed together: ...
... Example…Cesium has three known isotopes: Cs – 133, Cs – 132, and Cs – 134. Their abundances in nature are 75%, 20%, and 5% respectively. What is the average atomic mass of cesium? Steps #1, #2 and #3 can be performed together: ...
rocks and minerals quiz
... An atom is mostly empty space between the electrons and the nucleus. This presents a conceptual problem: How do atoms form solids with all this empty space? ATOMIC STRUCTURE ANALOGY Imagine a jungle gym on a children’s playground. If you are a bug up close, you would see a large jungle gym with plen ...
... An atom is mostly empty space between the electrons and the nucleus. This presents a conceptual problem: How do atoms form solids with all this empty space? ATOMIC STRUCTURE ANALOGY Imagine a jungle gym on a children’s playground. If you are a bug up close, you would see a large jungle gym with plen ...
PS-CC-2test - Edquest Science
... 12. As you move across the periodic table the properties of the elements change. The most reactive metals include … A. sodium and lithium B. iron and copper C. aluminum and carbon D. lead and zinc 13. The periodic table is organized by the patterns of the properties of the elements. The rows in the ...
... 12. As you move across the periodic table the properties of the elements change. The most reactive metals include … A. sodium and lithium B. iron and copper C. aluminum and carbon D. lead and zinc 13. The periodic table is organized by the patterns of the properties of the elements. The rows in the ...
Periodic Trends Handout
... • Positive ions or Cations are generally smaller than the neutral atom. • As e- are lost, they are lost from the outer shells. This dictates that a positive ion would be smaller than the neutral atom because there will be less repulsion between electrons. • Negative ions or Anions are generally larg ...
... • Positive ions or Cations are generally smaller than the neutral atom. • As e- are lost, they are lost from the outer shells. This dictates that a positive ion would be smaller than the neutral atom because there will be less repulsion between electrons. • Negative ions or Anions are generally larg ...
Atomic Structure
... 14. Negative charge determined by Millikan; have 1/1840th of the mass of a proton; 15. Discovered by J.J. Thomson; deflected towards the + plate in a cathode ray tube. 16. Discovered by Chadwick – found last because of their lack of electrical charge 17. Discovered by Goldstein (going in the opposit ...
... 14. Negative charge determined by Millikan; have 1/1840th of the mass of a proton; 15. Discovered by J.J. Thomson; deflected towards the + plate in a cathode ray tube. 16. Discovered by Chadwick – found last because of their lack of electrical charge 17. Discovered by Goldstein (going in the opposit ...
Periodic Table Vocabulary Alkali metals
... 12. Periodic table- a table of the elements, arranged in order of increasing atomic number, based on the periodic law. Elements having similar chemical properties and electronic structures appear in vertical columns. Sentence-The periodic table is accredited to ...
... 12. Periodic table- a table of the elements, arranged in order of increasing atomic number, based on the periodic law. Elements having similar chemical properties and electronic structures appear in vertical columns. Sentence-The periodic table is accredited to ...
Directions: Read the article below. For each section (in bold), write 2
... Early atomic theory Atomic models have their beginnings in the early atomic theory. In 1808, John Dalton (1766-1844) proposed his atomic theory, which served as an explanation for these phenomena. His theory states that all matter is composed of atoms, which cannot be further divided, created, nor d ...
... Early atomic theory Atomic models have their beginnings in the early atomic theory. In 1808, John Dalton (1766-1844) proposed his atomic theory, which served as an explanation for these phenomena. His theory states that all matter is composed of atoms, which cannot be further divided, created, nor d ...
Worksheet - Chapter 3A - Atomic Structure 2012 Atomic Theory
... 14. Negative charge determined by Millikan; have 1/1840th of the mass of a proton; 15. Discovered by J.J. Thomson; deflected towards the + plate in a cathode ray tube. 16. Discovered by Chadwick – found last because of their lack of electrical charge 17. Discovered by Goldstein (going in the opposit ...
... 14. Negative charge determined by Millikan; have 1/1840th of the mass of a proton; 15. Discovered by J.J. Thomson; deflected towards the + plate in a cathode ray tube. 16. Discovered by Chadwick – found last because of their lack of electrical charge 17. Discovered by Goldstein (going in the opposit ...
Thompson`s “Plum Pudding” Model
... model. Rutherford was forced to discard the Plum Pudding model. • He reasoned that the only way the alpha particles (positively charged) could be deflected backwards was if most of the mass in an atom was concentrated in a nucleus. • He thus developed the “Planetary model” of the atom which put all ...
... model. Rutherford was forced to discard the Plum Pudding model. • He reasoned that the only way the alpha particles (positively charged) could be deflected backwards was if most of the mass in an atom was concentrated in a nucleus. • He thus developed the “Planetary model” of the atom which put all ...
Chapter 3 - mrgoosby
... Name 5 things that are matter and five things that are not matter What is the difference between atomic mass and atomic number? Name and describe the Isotopes of ...
... Name 5 things that are matter and five things that are not matter What is the difference between atomic mass and atomic number? Name and describe the Isotopes of ...
Topics 3 and 13 Outline
... 3.1 Periodic table Essential idea: The arrangement of elements in the periodic table helps to predict their electron configuration. Nature of science: Obtain evidence for scientific theories by making and testing predictions based on them—scientists organize subjects based on structure and function; ...
... 3.1 Periodic table Essential idea: The arrangement of elements in the periodic table helps to predict their electron configuration. Nature of science: Obtain evidence for scientific theories by making and testing predictions based on them—scientists organize subjects based on structure and function; ...
What do we call a substance with more than one kind of atom
... 20. Ernest Rutherford performed a famous experiment in which he used a radioactive alpha particle source and aimed the particles at a thin sheet of gold foil. . By studying photographic plates placed around the foil, he found that most particles passed straight through; some were reflected straight ...
... 20. Ernest Rutherford performed a famous experiment in which he used a radioactive alpha particle source and aimed the particles at a thin sheet of gold foil. . By studying photographic plates placed around the foil, he found that most particles passed straight through; some were reflected straight ...
NANO-MODULE: Introduction to Chemistry Name: Date: Objectives
... the building blocks of matter. They are the simplest and smallest indivisible particle that can result from dividing something like a block of magnesium. There have been several models of the atom throughout history, starting with Greek philosopher Democritus’ 500 B.C. proposal that all matter is co ...
... the building blocks of matter. They are the simplest and smallest indivisible particle that can result from dividing something like a block of magnesium. There have been several models of the atom throughout history, starting with Greek philosopher Democritus’ 500 B.C. proposal that all matter is co ...
Atomic Theory Part 1 - Early Theories
... All matter is made up of small particles called atoms. 2. Atoms cannot be created or destroyed, or divided into smaller particles. 3. All atoms of the same element are identical in mass and size. The atoms of one element are different in mass and size from the atoms of other elements. 4. Compounds a ...
... All matter is made up of small particles called atoms. 2. Atoms cannot be created or destroyed, or divided into smaller particles. 3. All atoms of the same element are identical in mass and size. The atoms of one element are different in mass and size from the atoms of other elements. 4. Compounds a ...
4-1 Introduction to Atoms Directed Reading Questions
... containing protons and neutrons. Surrounding the nucleus is a cloudlike region of moving electrons. (p. 128) 15. T/F. 1 proton and 1 electron will be the same relative mass (amu). T, a proton and neutron are about equal in mass. (p. 129) 16. T/F. Every atom of a given element has the same number of ...
... containing protons and neutrons. Surrounding the nucleus is a cloudlike region of moving electrons. (p. 128) 15. T/F. 1 proton and 1 electron will be the same relative mass (amu). T, a proton and neutron are about equal in mass. (p. 129) 16. T/F. Every atom of a given element has the same number of ...
Sugárkémiai áttekintés Schiller Róbert
... Number of equations = number of radical types. Coupled equations LET effect due to different initial geometries. ...
... Number of equations = number of radical types. Coupled equations LET effect due to different initial geometries. ...
PreAP Chemistry Chapter 5 Notes
... elements was by Dmetri Mendeleev in the 1870s. He arranged the elements known at that time by their physical and chemical properties into groups. ...
... elements was by Dmetri Mendeleev in the 1870s. He arranged the elements known at that time by their physical and chemical properties into groups. ...
Chapter 6 Review “The Periodic Table”
... has the largest atomic radius? Which of the following elements is in the same period as phosphorus: a) magnesium, or b) nitrogen? Who arranged the elements according to atomic mass, and used the arrangement to predict the properties of missing elements? ...
... has the largest atomic radius? Which of the following elements is in the same period as phosphorus: a) magnesium, or b) nitrogen? Who arranged the elements according to atomic mass, and used the arrangement to predict the properties of missing elements? ...
AP Unit 0: Chemical Foundations
... ◦ in both weight and chemical properties. ◦ Each element is unique ...
... ◦ in both weight and chemical properties. ◦ Each element is unique ...
The periodic table as we have it today has not always
... •Solids lack luster •Many gases at room temperature ...
... •Solids lack luster •Many gases at room temperature ...