Chapter 5 Atomic Structure & the Periodic Table
... • Magnesium = region in Greece known as Magnesia • Lithium = Greek word lithos, meaning stone • Neptunium = after the planet Neptune • Hydrogen (H), Sulfur (S), Carbon (C) • Gold (Au), Lead (Pb), Iron (Fe), Copper (Cu) = symbols come from latin names. ...
... • Magnesium = region in Greece known as Magnesia • Lithium = Greek word lithos, meaning stone • Neptunium = after the planet Neptune • Hydrogen (H), Sulfur (S), Carbon (C) • Gold (Au), Lead (Pb), Iron (Fe), Copper (Cu) = symbols come from latin names. ...
Chapter 5 – The Periodic Law
... 3.2 Use the periodic table to identify the three classes of elements: metals, nonmetals, and metalloids. 3.3 Relate the position of an element on the periodic table to its electron configuration and compare its reactivity to the reactivity of other elements in the table. 3.4 Identify trends on the p ...
... 3.2 Use the periodic table to identify the three classes of elements: metals, nonmetals, and metalloids. 3.3 Relate the position of an element on the periodic table to its electron configuration and compare its reactivity to the reactivity of other elements in the table. 3.4 Identify trends on the p ...
Elements and the Periodic Table
... C. Semi-Metals (metalloids) 1.Found along the zig-zag (stair step) line on the periodic table; also called metalloids 2. They are semi-conductors that have properties of both metals and non-metals. ...
... C. Semi-Metals (metalloids) 1.Found along the zig-zag (stair step) line on the periodic table; also called metalloids 2. They are semi-conductors that have properties of both metals and non-metals. ...
Chemistry: Fall Final Review 08
... Elements are composed of tiny indivisible particles called atoms; all atoms of the same element are identical; atoms can combine in whole number ratios to form compounds 38) Describe Rutherford’s gold foil experiment and what it was used to determine. Rutherford shot particles through a thin piece o ...
... Elements are composed of tiny indivisible particles called atoms; all atoms of the same element are identical; atoms can combine in whole number ratios to form compounds 38) Describe Rutherford’s gold foil experiment and what it was used to determine. Rutherford shot particles through a thin piece o ...
Atomic Theory Review 3 Which scientist described atoms as
... The number of electrons in an atom is the same for all neutral atoms of that element. True False ...
... The number of electrons in an atom is the same for all neutral atoms of that element. True False ...
The Periodic Table - Mr. Green's Home Page
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
The Periodic Table
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
... Atoms can be broken. There are many different particles We will learn about the three most important to chemistry Proton – positively charged, big mass Electron – negatively charged, very small mass Neutron – no charge, about the same mass as a proton ...
Periodic Table Trends
... These particles have different properties Electrons are tiny, very light and have a negative charge ...
... These particles have different properties Electrons are tiny, very light and have a negative charge ...
SNC1D- Grade 9- Unit: Chemistry March 03,2009 Periodic Table
... 1.Representative Elements (AKA. Main Group Elements) These consist of all 's' and 'p' block elements excluding the noble gases (group 18 elements). The chemical properties of the representative elements are determined by the number of valence electrons in their atoms. The number of valence electrons ...
... 1.Representative Elements (AKA. Main Group Elements) These consist of all 's' and 'p' block elements excluding the noble gases (group 18 elements). The chemical properties of the representative elements are determined by the number of valence electrons in their atoms. The number of valence electrons ...
Chem Basics
... +1, +2, +3 charges) and nonmetals have 5,6 or 7 valance(in other words -1, -2, -3 charges) electrons. In ionic bonds, there is an electron transfer. Metals give their extra valance electrons to nonmetals. When metals give and nonmetals receive electrons, they become stable like the noble gases. This ...
... +1, +2, +3 charges) and nonmetals have 5,6 or 7 valance(in other words -1, -2, -3 charges) electrons. In ionic bonds, there is an electron transfer. Metals give their extra valance electrons to nonmetals. When metals give and nonmetals receive electrons, they become stable like the noble gases. This ...
honors_chapter_4
... Atoms of the same element are identical. The atoms of any one element are different from those of any other element. Atoms of different elements can combine with one another in simple whole number ratios to form compounds. Chemical reactions occur when atoms are separated, joined, or rearranged. How ...
... Atoms of the same element are identical. The atoms of any one element are different from those of any other element. Atoms of different elements can combine with one another in simple whole number ratios to form compounds. Chemical reactions occur when atoms are separated, joined, or rearranged. How ...
partsofatom
... center of an atom Small, dense (packed tightly) Contains protons and neutrons: most of the atom’s mass So dense, if it were the size of a grape, it would weigh over 9 million ...
... center of an atom Small, dense (packed tightly) Contains protons and neutrons: most of the atom’s mass So dense, if it were the size of a grape, it would weigh over 9 million ...
Chapter 4 Atomic Structure
... identical. Atoms of any one element are different from those of any other element. ...
... identical. Atoms of any one element are different from those of any other element. ...
ANSWERS Using Key Terms Understanding Key Ideas
... exercise can be found at the back of this book. 16. Scientists must determine the atomic number, or the number of protons, in the newly formed nucleus. The nucleus is that of a new element only if the number of protons is different from all known elements. 17. Sample answer: Dalton’s atomic theory w ...
... exercise can be found at the back of this book. 16. Scientists must determine the atomic number, or the number of protons, in the newly formed nucleus. The nucleus is that of a new element only if the number of protons is different from all known elements. 17. Sample answer: Dalton’s atomic theory w ...
Year End Chemistry Review
... 10. Fission vs Fusion. Describe each process and explain how atoms were made. 11. Place the following numbers into or take them out of scientific notation: a) 3,000,000 b) 321,000 c) 0.00000000248 d)74.3 e) 7.419 x 104 f) 9.16 x 10-8 12. How many valence electrons are in each of the following elemen ...
... 10. Fission vs Fusion. Describe each process and explain how atoms were made. 11. Place the following numbers into or take them out of scientific notation: a) 3,000,000 b) 321,000 c) 0.00000000248 d)74.3 e) 7.419 x 104 f) 9.16 x 10-8 12. How many valence electrons are in each of the following elemen ...
Introducing the Atom - Core Concepts: Periodic Table
... ￮￮ Atoms consist of protons, neutrons, and electrons; the nucleus consists of protons and neutrons, with electrons orbiting in shells. ￮￮ Protons have a positive charge, electrons have a negative charge, and neutrons have no charge. ￮￮ Changing the numbers of protons, electrons, or neutrons changes ...
... ￮￮ Atoms consist of protons, neutrons, and electrons; the nucleus consists of protons and neutrons, with electrons orbiting in shells. ￮￮ Protons have a positive charge, electrons have a negative charge, and neutrons have no charge. ￮￮ Changing the numbers of protons, electrons, or neutrons changes ...
Name___________________________________ Physical
... C) The proton was discovered by Thomson in 1880. D) Canal rays were found to be made of protons, electrons, and neutrons. E) The neutron was discovered by Chadwick in 1932. ...
... C) The proton was discovered by Thomson in 1880. D) Canal rays were found to be made of protons, electrons, and neutrons. E) The neutron was discovered by Chadwick in 1932. ...
Slide 1
... • the atomic number is usually found at the top of the box for each element in the periodic table. ...
... • the atomic number is usually found at the top of the box for each element in the periodic table. ...
Atomic Theory Notes
... Why aren’t electrons accounted for in the calculation of the atomic mass? • Electrons are small! • It takes almost 2,000 electrons to equal the mass of one proton or neutron • Electrons are assumed to have a mass of 0 amu ...
... Why aren’t electrons accounted for in the calculation of the atomic mass? • Electrons are small! • It takes almost 2,000 electrons to equal the mass of one proton or neutron • Electrons are assumed to have a mass of 0 amu ...
CHEMICAL FOUNDATIONS: ELEMENTS AND ATOMS
... • a substance that cannot be further decomposed into simpler substances by chemical or physical means. • consists of atoms that all have the same atomic number. • approximately 115 elements are known. • 88 elements occur naturally. • microscopic--single atom of an element. • macroscopic--enough atom ...
... • a substance that cannot be further decomposed into simpler substances by chemical or physical means. • consists of atoms that all have the same atomic number. • approximately 115 elements are known. • 88 elements occur naturally. • microscopic--single atom of an element. • macroscopic--enough atom ...
Periodic Table
... d. form negative ions (anions) e. poor conductors of heat and electricity f. generally gases or brittle solids g. low melting and boiling points 3. Metalloids (Semimetals) = have properties of both metals and non-metals III. Trends or Patterns in the Periodic Table A. Certain properties of elements ...
... d. form negative ions (anions) e. poor conductors of heat and electricity f. generally gases or brittle solids g. low melting and boiling points 3. Metalloids (Semimetals) = have properties of both metals and non-metals III. Trends or Patterns in the Periodic Table A. Certain properties of elements ...
File
... Most of the particles passed right through A few particles were deflected VERY FEW were greatly deflected ...
... Most of the particles passed right through A few particles were deflected VERY FEW were greatly deflected ...
Unit 1 Atoms and Periodic Table Intro Periodic Table Notes
... • electrons located in the valence shell • # of valence e- will determine the reactivity of the atom. • The more Valence e’s the more stable and HAPPY (Noble Gases) • The less valence e’s the more reactive and EXPLOSIVE or ...
... • electrons located in the valence shell • # of valence e- will determine the reactivity of the atom. • The more Valence e’s the more stable and HAPPY (Noble Gases) • The less valence e’s the more reactive and EXPLOSIVE or ...
Mystery Isotopes
... Extensions: Use the "Isotope Worksheet" as homework. Research uses of isotopes. (Suggested Answers: used to date fossils and rocks, used in medical research and treatment.) Research uses and/or the half-lives of specific isotopes. Determine the stability/instability of various isotopes. Which isotop ...
... Extensions: Use the "Isotope Worksheet" as homework. Research uses of isotopes. (Suggested Answers: used to date fossils and rocks, used in medical research and treatment.) Research uses and/or the half-lives of specific isotopes. Determine the stability/instability of various isotopes. Which isotop ...