Chemistry--Chapter 5: Atomic Structure and the Periodic Table
... 72. Name Rutherford’s famous experiment. What information did it contribute to atomic structure? 73. How many copper atoms would you have to line up side by side to form a line 1 m long? (refer to practice problems for data) ...
... 72. Name Rutherford’s famous experiment. What information did it contribute to atomic structure? 73. How many copper atoms would you have to line up side by side to form a line 1 m long? (refer to practice problems for data) ...
Proton Positively charged subatomic (smaller than an atom) particle
... atom) particle found orbiting the nucleus. Atomic Number- Represents the number of protons, which determines the element type. ...
... atom) particle found orbiting the nucleus. Atomic Number- Represents the number of protons, which determines the element type. ...
Atoms
... Atoms cannot be created, destroyed or divided in to smaller particle. Different atoms combine in simple whole number ratios to form compounds. Atoms are neither created nor destroyed in chemical reactions. ...
... Atoms cannot be created, destroyed or divided in to smaller particle. Different atoms combine in simple whole number ratios to form compounds. Atoms are neither created nor destroyed in chemical reactions. ...
Elements Compounds Mixtures
... Subscript- tells the number of atoms in a compound ex. H2O CO2 Coefficient- tells the number of molecules ex. 2H2O Chemical Equation- describes the chemical reaction using symbols and formulas ...
... Subscript- tells the number of atoms in a compound ex. H2O CO2 Coefficient- tells the number of molecules ex. 2H2O Chemical Equation- describes the chemical reaction using symbols and formulas ...
Document
... 18. mixture- A combination of two or more substances that are not chemically combined and can be separated by physical means. 19. chemical formula- Notation made up of the symbols of the elements and number of elements in a compound. B. Blocks 1, 3, and 5 1. electron subshell – Region of space withi ...
... 18. mixture- A combination of two or more substances that are not chemically combined and can be separated by physical means. 19. chemical formula- Notation made up of the symbols of the elements and number of elements in a compound. B. Blocks 1, 3, and 5 1. electron subshell – Region of space withi ...
Electron Cloud Model-Reading selection
... Electrons are found in clouds that surround the nucleus of an atom. Those clouds are specific distances away from the nucleus and are generally organized into shells. Because electrons move so quickly, it is impossible to see where they are at a specific moment in time. After years of experimentatio ...
... Electrons are found in clouds that surround the nucleus of an atom. Those clouds are specific distances away from the nucleus and are generally organized into shells. Because electrons move so quickly, it is impossible to see where they are at a specific moment in time. After years of experimentatio ...
Atoms, Elements, and Ions
... What: Solid Sphere Model (1st atomic theory) •Elements are made up of indivisible particles called atoms •Each element was composed of the same kind of atoms. •Different elements were composed of different kinds of atoms. •Compounds are composed of atoms in specific ratios. •Atoms are not created or ...
... What: Solid Sphere Model (1st atomic theory) •Elements are made up of indivisible particles called atoms •Each element was composed of the same kind of atoms. •Different elements were composed of different kinds of atoms. •Compounds are composed of atoms in specific ratios. •Atoms are not created or ...
Magic Square and isotope worksheet
... 9. Current explanation of where electrons might be found in the atom 10. Used by scientists to explain something we can not see or understand 11. The smallest particle of an element that has the properties of that element 12. The number of neutrons change 13. Electrons in the outer energy level 14. ...
... 9. Current explanation of where electrons might be found in the atom 10. Used by scientists to explain something we can not see or understand 11. The smallest particle of an element that has the properties of that element 12. The number of neutrons change 13. Electrons in the outer energy level 14. ...
Atomic theorists
... What: Solid Sphere Model (1st atomic theory) •Elements are made up of indivisible particles called atoms •Each element was composed of the same kind of atoms. •Different elements were composed of different kinds of atoms. •Compounds are composed of atoms in specific ratios. •Atoms are not created or ...
... What: Solid Sphere Model (1st atomic theory) •Elements are made up of indivisible particles called atoms •Each element was composed of the same kind of atoms. •Different elements were composed of different kinds of atoms. •Compounds are composed of atoms in specific ratios. •Atoms are not created or ...
Inside the Atom connections to the lower secondary (KS3
... • a simple (Dalton) atomic model • differences between atoms, elements and compounds • chemical symbols and formulae for elements and compounds • conservation of mass changes of state and chemical reactions. Most of the nuclear physics related content in the KS3 curriculum is taught in the chemi ...
... • a simple (Dalton) atomic model • differences between atoms, elements and compounds • chemical symbols and formulae for elements and compounds • conservation of mass changes of state and chemical reactions. Most of the nuclear physics related content in the KS3 curriculum is taught in the chemi ...
Unit B review - mvhs
... 21. The elements in which of the following have most nearly the same atomic radius? (A) Be, B, C, N (B) Ne, Ar, Kr, Xe (C) Mg, Ca, Sr, Ba (D) C, P, Se, I (E) Cr, Mn, Fe, Co 22. What is the correct order of decreasing first ionization energies for the elements Be, B, and C? (A) Be>B>C (B) B>Be>C (C) ...
... 21. The elements in which of the following have most nearly the same atomic radius? (A) Be, B, C, N (B) Ne, Ar, Kr, Xe (C) Mg, Ca, Sr, Ba (D) C, P, Se, I (E) Cr, Mn, Fe, Co 22. What is the correct order of decreasing first ionization energies for the elements Be, B, and C? (A) Be>B>C (B) B>Be>C (C) ...
Periodic Table and Electrons
... The names of groups and periods on the periodic chart are alkali metals, alkaline earth metals, transition metals, halogens, and noble gases. Metalloids have properties of metals and nonmetals. They are located between metals and nonmetals on the periodic table. Some are used in semiconductors. Peri ...
... The names of groups and periods on the periodic chart are alkali metals, alkaline earth metals, transition metals, halogens, and noble gases. Metalloids have properties of metals and nonmetals. They are located between metals and nonmetals on the periodic table. Some are used in semiconductors. Peri ...
Chapter 4 Notes
... 17. The number of protons in an atom is the ___________________ number. All atoms of the same element have the _____________________ number of protons. Atoms of ________________________ elements have ______________________ numbers of protons. 18. The ___________________ ________________________ of a ...
... 17. The number of protons in an atom is the ___________________ number. All atoms of the same element have the _____________________ number of protons. Atoms of ________________________ elements have ______________________ numbers of protons. 18. The ___________________ ________________________ of a ...
atoms and elements
... Name ______________________________________________ Date _______________ Period __________ Atoms and Elements An atom is the smallest particle into which an element can be divided and still maintain the properties of that element. All elements are made of atoms. So what’s an element? What makes one ...
... Name ______________________________________________ Date _______________ Period __________ Atoms and Elements An atom is the smallest particle into which an element can be divided and still maintain the properties of that element. All elements are made of atoms. So what’s an element? What makes one ...
Packet
... 29. An element a. can be broken down into simpler substances b. are used to make other elements c. are used to make compounds d. are never found in the periodic table of elements 30. Physical means can be used to separate a. elements b. pure substances b. mixtures d. compounds 31. Anything that take ...
... 29. An element a. can be broken down into simpler substances b. are used to make other elements c. are used to make compounds d. are never found in the periodic table of elements 30. Physical means can be used to separate a. elements b. pure substances b. mixtures d. compounds 31. Anything that take ...
Topic 1 - Periodic Table
... CH.2 The student will investigate and understand that the placement of elements on the periodic table is a function of their atomic structure. The periodic table is a tool used for the investigations of a) average atomic mass, mass number, and atomic number b) isotopes, half lives, and radioactive d ...
... CH.2 The student will investigate and understand that the placement of elements on the periodic table is a function of their atomic structure. The periodic table is a tool used for the investigations of a) average atomic mass, mass number, and atomic number b) isotopes, half lives, and radioactive d ...
Chemistry Unit Test Study Guide (2012-2013)
... The pH of a substance can be determined using ____________________ paper Neutral substances have a pH of __________. An example of a common neutral substance is ____________. Acids- Name 3 properties (ex: feel, taste, uses, etc.): 1. _______________ 2. _______________ 3. _____________ a. pH range fo ...
... The pH of a substance can be determined using ____________________ paper Neutral substances have a pH of __________. An example of a common neutral substance is ____________. Acids- Name 3 properties (ex: feel, taste, uses, etc.): 1. _______________ 2. _______________ 3. _____________ a. pH range fo ...
Atomic Theory, and the Periodic Table
... 10. In 1926, Erwin Schrodinger proposed the electron cloud model. These regions of space containing the electrons are called electron clouds. ...
... 10. In 1926, Erwin Schrodinger proposed the electron cloud model. These regions of space containing the electrons are called electron clouds. ...
File
... When white light is shone through a prism, a full rainbow of colours is seen. When light produced by hydrogen is examined in the same way, only a few lines of colour are seen. Most colours are missing. ...
... When white light is shone through a prism, a full rainbow of colours is seen. When light produced by hydrogen is examined in the same way, only a few lines of colour are seen. Most colours are missing. ...
Unit_3_files/Elements and Atoms Notes
... water molecule includes two hydrogen atoms and one oxygen atom. Democritus — Greek philosopher who first used the word atom to describe the smallest thing found in the universe and believed that if you continued breaking down an object into smaller and smaller pieces, you would eventually end up wit ...
... water molecule includes two hydrogen atoms and one oxygen atom. Democritus — Greek philosopher who first used the word atom to describe the smallest thing found in the universe and believed that if you continued breaking down an object into smaller and smaller pieces, you would eventually end up wit ...
1_2133_201227212755_Unit_3(H)_TestA_2.7.12
... ____ 23. The atomic mass of an atom of carbon is 12, and the atomic mass of an atom of oxygen is 16. To produce CO, 16g of oxygen can be combined with 12g of carbon. According to the Law of Multiple Proportions, the ratio of oxygen to carbon when 32g of oxygen combine with 12g of carbon is a. 1:1 b. ...
... ____ 23. The atomic mass of an atom of carbon is 12, and the atomic mass of an atom of oxygen is 16. To produce CO, 16g of oxygen can be combined with 12g of carbon. According to the Law of Multiple Proportions, the ratio of oxygen to carbon when 32g of oxygen combine with 12g of carbon is a. 1:1 b. ...
File
... - Using cathode ray tubes, he caused elements to give off a stream of negatively charged particles (______________________). - Since the elements did not have an overall charge, Thompson figured there must be _______________________ particles in the atoms as well. - Thompson proposed that the atom i ...
... - Using cathode ray tubes, he caused elements to give off a stream of negatively charged particles (______________________). - Since the elements did not have an overall charge, Thompson figured there must be _______________________ particles in the atoms as well. - Thompson proposed that the atom i ...