the atomic theory
... 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 ...
... 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 ...
Topic 4: Classifying Elements What did the early chemists use to
... Name the first 5 PREFIXES that we use to name molecular compounds. mono à one di à two tri à three tetra à four penta à five We usually refer to compounds containing HYDROGEN by their ...
... Name the first 5 PREFIXES that we use to name molecular compounds. mono à one di à two tri à three tetra à four penta à five We usually refer to compounds containing HYDROGEN by their ...
Chapter Two:
... that combine with 1 gram of the first element can always be reduced to small whole numbers. ...
... that combine with 1 gram of the first element can always be reduced to small whole numbers. ...
Ch 2 Atoms, Molecules, and Ions
... - D. Mendeleev and J. Lother Meyer found in 1869 that elements could be ordered in horizontal rows, called periods, so that elements in the same column, or group, had similar physical and chemical properties. See Figure 8.14. - There are 18 groups, sometimes split into A (main groups in outer column ...
... - D. Mendeleev and J. Lother Meyer found in 1869 that elements could be ordered in horizontal rows, called periods, so that elements in the same column, or group, had similar physical and chemical properties. See Figure 8.14. - There are 18 groups, sometimes split into A (main groups in outer column ...
General CHemistry Unit 2 Homework Notes
... The atomic number for an element is the same as the number of protons. All atoms of the same element have the same number of protons. A proton has a positive charge and a relative mass of one. The number of electrons is the same as the number of protons in a neutral atom. An electron has a negative ...
... The atomic number for an element is the same as the number of protons. All atoms of the same element have the same number of protons. A proton has a positive charge and a relative mass of one. The number of electrons is the same as the number of protons in a neutral atom. An electron has a negative ...
compound - Coal City Unit #1
... • Props. of mixtures reflect props. of components. Props. of compounds do not • reflect. props. of elems. that compose it. • Comps. have definite composition. Composition of ...
... • Props. of mixtures reflect props. of components. Props. of compounds do not • reflect. props. of elems. that compose it. • Comps. have definite composition. Composition of ...
Review Notes - Biochemistry
... The goal of all atoms is to have a _STABLE_ outer energy level. The goal leads to bonding of atoms. 2 types of bonding: 1. Ionic Bonding: When _1_ or more electrons are _TRANSFERRED_ from one atom to another. Ion: an atom with a_CHARGE_. When an electron is gained it will be _NEGATIVE_charged ...
... The goal of all atoms is to have a _STABLE_ outer energy level. The goal leads to bonding of atoms. 2 types of bonding: 1. Ionic Bonding: When _1_ or more electrons are _TRANSFERRED_ from one atom to another. Ion: an atom with a_CHARGE_. When an electron is gained it will be _NEGATIVE_charged ...
Dalton`s Atomic Theory
... c. The atoms of different elements differ in fundamental ways (e.g., different masses, different chemical behavior). d. Compounds form when atoms of different elements join together in simple whole number ratios. Thus, a given compound always contains the same relative number and types of atoms. e. ...
... c. The atoms of different elements differ in fundamental ways (e.g., different masses, different chemical behavior). d. Compounds form when atoms of different elements join together in simple whole number ratios. Thus, a given compound always contains the same relative number and types of atoms. e. ...
Periodic Table Puzzle
... Periodic Table Puzzle The code letters A to Z have been assigned to represent the first 26 representative elements in the Periodic Table. The letters do not relate to the actual chemical symbols for these elements. Your challenge is to put the code letters in the correct boxes in the Periodic Table, ...
... Periodic Table Puzzle The code letters A to Z have been assigned to represent the first 26 representative elements in the Periodic Table. The letters do not relate to the actual chemical symbols for these elements. Your challenge is to put the code letters in the correct boxes in the Periodic Table, ...
Elements
... Atoms of one element can combine with atoms of other elements to form compounds. A given compound always has the same relative numbers and types of atoms ...
... Atoms of one element can combine with atoms of other elements to form compounds. A given compound always has the same relative numbers and types of atoms ...
Elements, mixtures and compounds lecture
... Oxygen is the most common pure element on Earth (occurs as a dioxide: O2 , what does “di” mean?) B. cannot be broken down by chemical reactions: burning/acids/eating (but nuclear rxns: yes!) C. There are some 118 elements (this # changes as we discover new elements), 90 of these are naturally occurr ...
... Oxygen is the most common pure element on Earth (occurs as a dioxide: O2 , what does “di” mean?) B. cannot be broken down by chemical reactions: burning/acids/eating (but nuclear rxns: yes!) C. There are some 118 elements (this # changes as we discover new elements), 90 of these are naturally occurr ...
Elements Combine to Form Compounds
... 3) Sodium Sulfate (salt) - Na2SO4 4) Sodium Hydroxide (drain cleaner) – NaOH ...
... 3) Sodium Sulfate (salt) - Na2SO4 4) Sodium Hydroxide (drain cleaner) – NaOH ...
Chemistry Review
... electrons are transferred from one atom to another. Example: Na + Cl → Na+ + Cl− → NaCl ...
... electrons are transferred from one atom to another. Example: Na + Cl → Na+ + Cl− → NaCl ...
Hints for Names and Formulas (Ch. 4 in Zumdahl Chemistry)
... (1) ionic compounds are never called molecules and have covalent bonds only in their polyatomic ions (2) ionic compounds are generally classified as salts, acids, or bases (3) ionic compounds are orderly, infinite arrangements of positive and negative ions (4) ionic compounds are built with foam bal ...
... (1) ionic compounds are never called molecules and have covalent bonds only in their polyatomic ions (2) ionic compounds are generally classified as salts, acids, or bases (3) ionic compounds are orderly, infinite arrangements of positive and negative ions (4) ionic compounds are built with foam bal ...
Chemical Nomenclature (ionic compounds)
... SECOND, if used is always a LOWER CASE LETTER. d) The charge of the ion is always written as a superscript, above and to the right of the symbol for the element. i.e. Na+1 , F-1, Ca+2 e) The number of atoms of an element in a compound is written as a SUBSCRIPT, below and to the right of the symbol f ...
... SECOND, if used is always a LOWER CASE LETTER. d) The charge of the ion is always written as a superscript, above and to the right of the symbol for the element. i.e. Na+1 , F-1, Ca+2 e) The number of atoms of an element in a compound is written as a SUBSCRIPT, below and to the right of the symbol f ...
Atoms, Ions, and Molecules File
... The Mass of an Electron • The mass/charge ratio was measured by J.J. Thomson using a cathode ray tube. • The charge of an electron was measured in a famous experiment by Robert Millikan. • The mass of an electron was found to be about 2000 times less than the lightest atom ...
... The Mass of an Electron • The mass/charge ratio was measured by J.J. Thomson using a cathode ray tube. • The charge of an electron was measured in a famous experiment by Robert Millikan. • The mass of an electron was found to be about 2000 times less than the lightest atom ...
Document
... The number of atoms of the element in the compound is represented by its subscript. NOTE: ...
... The number of atoms of the element in the compound is represented by its subscript. NOTE: ...
1st Term Review
... d) Discovery of the nucleus e) Discovery of the neutron f) Gold foil experiment g) Father of the modern periodic table h) Discovery of the electron i) Atomic model of hydrogen 2. How do isotopes differ from one another? 3. List the periodic trend for the following (across the chart from left to righ ...
... d) Discovery of the nucleus e) Discovery of the neutron f) Gold foil experiment g) Father of the modern periodic table h) Discovery of the electron i) Atomic model of hydrogen 2. How do isotopes differ from one another? 3. List the periodic trend for the following (across the chart from left to righ ...