Lecture4
... light and have negative. Isotopes of elements contain nuclei with same number of protons but different number of neutrons. Atom where the number of protons does not equal to the number of neutrons is unstable. ...
... light and have negative. Isotopes of elements contain nuclei with same number of protons but different number of neutrons. Atom where the number of protons does not equal to the number of neutrons is unstable. ...
Barnard Castle School Chemistry Department
... B, Be …….to Ca). Compounds have very different properties to the elements from which they are formed. It is often difficult to break compounds up into their elements (because the atoms are chemically joined together). Some compounds can be broken down into their elements by a decomposition reaction, ...
... B, Be …….to Ca). Compounds have very different properties to the elements from which they are formed. It is often difficult to break compounds up into their elements (because the atoms are chemically joined together). Some compounds can be broken down into their elements by a decomposition reaction, ...
atom
... Dalton’s Atomic Theory All matter is made of tiny indivisible particles called atoms. Atoms of the same element are identical, those of different atoms are different. Atoms of different elements combine in whole number ratios to form compounds. Chemical reactions involve the rearrangement o ...
... Dalton’s Atomic Theory All matter is made of tiny indivisible particles called atoms. Atoms of the same element are identical, those of different atoms are different. Atoms of different elements combine in whole number ratios to form compounds. Chemical reactions involve the rearrangement o ...
Chemistry - StudyTime NZ
... In order for chemical reac>ons to occur, molecules must collide with each other at the correct orienta>on and with the minimum amount of necessary energy, known as the ‘ac>va>on energy’. ...
... In order for chemical reac>ons to occur, molecules must collide with each other at the correct orienta>on and with the minimum amount of necessary energy, known as the ‘ac>va>on energy’. ...
Chapter 4 Notes
... • Doesn't work for atoms larger than hydrogen (more than one electron) • Doesn't explain chemical behavior ...
... • Doesn't work for atoms larger than hydrogen (more than one electron) • Doesn't explain chemical behavior ...
Chapter 02 The Structure of the Atom and the Periodic Table
... A. Number of protons B. Number of electrons C. Number of neutrons D. Number of protons - number of neutrons E. Number of neutrons - number of protons ...
... A. Number of protons B. Number of electrons C. Number of neutrons D. Number of protons - number of neutrons E. Number of neutrons - number of protons ...
Directed Reading A
... ______ 2. Which of the following statements is a part of Democritus’s theory about atoms? a. Atoms are small, soft particles. b. Atoms are always standing still. c. Atoms are made of a single material. d. Atoms are small particles that can be cut in half again and again. 3. We know that Democritus w ...
... ______ 2. Which of the following statements is a part of Democritus’s theory about atoms? a. Atoms are small, soft particles. b. Atoms are always standing still. c. Atoms are made of a single material. d. Atoms are small particles that can be cut in half again and again. 3. We know that Democritus w ...
Charge of Ion = number of protons – number of electrons A neutral
... electrons it acquires a net electrical charge called an ion. • The net charge of an ion is found by subtracting the number of electrons from the number of protons Charge of Ion = number of protons – number of electrons ...
... electrons it acquires a net electrical charge called an ion. • The net charge of an ion is found by subtracting the number of electrons from the number of protons Charge of Ion = number of protons – number of electrons ...
atom
... Dalton’s Atomic Theory All matter is made of tiny indivisible particles called atoms. Atoms of the same element are identical, those of different atoms are different. Atoms of different elements combine in whole number ratios to form compounds. Chemical reactions involve the rearrangement o ...
... Dalton’s Atomic Theory All matter is made of tiny indivisible particles called atoms. Atoms of the same element are identical, those of different atoms are different. Atoms of different elements combine in whole number ratios to form compounds. Chemical reactions involve the rearrangement o ...
Niels BOHR Bohr`s model was the first proposal that predicted the
... - There are FOUR of these parameters. (the Bohr model had only one!) - The parameters are called "quantum numbers" Principal quantum number Angular momentum quantum number Magnetic quantum number Spin quantum number ...
... - There are FOUR of these parameters. (the Bohr model had only one!) - The parameters are called "quantum numbers" Principal quantum number Angular momentum quantum number Magnetic quantum number Spin quantum number ...
intro to atoms
... location of an electron. The probable location of an electron is based on how much energy the electron has. According to the modern atomic model, at atom has a small positively charged nucleus surrounded by a large region in which there are enough electrons to make an atom neutral. ...
... location of an electron. The probable location of an electron is based on how much energy the electron has. According to the modern atomic model, at atom has a small positively charged nucleus surrounded by a large region in which there are enough electrons to make an atom neutral. ...
Chemistry of Living Things Outline
... Living and nonliving things are made up of tiny units called ________. The center core is called the _____________. The nucleus is made up of particles called __________ and ___________ _____________ have a positive charge (+1) and _____________ have no electrical charge (0). Negatively charged pa ...
... Living and nonliving things are made up of tiny units called ________. The center core is called the _____________. The nucleus is made up of particles called __________ and ___________ _____________ have a positive charge (+1) and _____________ have no electrical charge (0). Negatively charged pa ...
2. Chemistry of Living Things Outline
... The simplest carbohydrates are called ___________________ or simple sugars. They are called the “_____________________” of carbohydrates. A common monosaccharide is ______________ (C6H12O6). o Glucose is formed during _____________________. When two simple sugars combine, they form a _____________ o ...
... The simplest carbohydrates are called ___________________ or simple sugars. They are called the “_____________________” of carbohydrates. A common monosaccharide is ______________ (C6H12O6). o Glucose is formed during _____________________. When two simple sugars combine, they form a _____________ o ...
Chemistry Periodic Trends in Atomic Radii Graphing Exercise 11
... **Turn to page 175 in your book and look at the quick lab at the top of the page. You will be using Create a Graph to construct 3 graphs. You will need the periodic table you have in your SIS as well. Here is what you will include in this assignment…… 1. Construct a graph comparing the atomic radii ...
... **Turn to page 175 in your book and look at the quick lab at the top of the page. You will be using Create a Graph to construct 3 graphs. You will need the periodic table you have in your SIS as well. Here is what you will include in this assignment…… 1. Construct a graph comparing the atomic radii ...
Modern Atomic Theory Notes
... Indicates the shape of the orbital within a shell Only integer values between 0 and n-1 are allowed Affects orbital energies (bigger l = higher energy) All electrons in an atom with the same value of l are said to belong to the same subshell Sometimes called the azimuthal quantum number MAGNETIC QUA ...
... Indicates the shape of the orbital within a shell Only integer values between 0 and n-1 are allowed Affects orbital energies (bigger l = higher energy) All electrons in an atom with the same value of l are said to belong to the same subshell Sometimes called the azimuthal quantum number MAGNETIC QUA ...
ATOM
... • When TWO PROTONS are EXTREMELY CLOSE to each other, there is a STRONG ATTRACTION between them. • A similar attraction exists when NEUTRONS are very close to each other or when PROTONS AND NEUTRONS are very close together. • The SHORT-RANGE proton-neutron, proton-proton, and neutron-neutron FORCES ...
... • When TWO PROTONS are EXTREMELY CLOSE to each other, there is a STRONG ATTRACTION between them. • A similar attraction exists when NEUTRONS are very close to each other or when PROTONS AND NEUTRONS are very close together. • The SHORT-RANGE proton-neutron, proton-proton, and neutron-neutron FORCES ...
Ch 3 Notes Atoms
... decimal – is always the larger number on the periodic table. mass number (A) - sum of the protons and neutrons in a nucleus this number is rounded from atomic mass due to the fact that there are isotopes # neutrons = A - Z example - # of neutrons in Li = 6.941-3 = 3.941 rounds to 4 Ion – a charged a ...
... decimal – is always the larger number on the periodic table. mass number (A) - sum of the protons and neutrons in a nucleus this number is rounded from atomic mass due to the fact that there are isotopes # neutrons = A - Z example - # of neutrons in Li = 6.941-3 = 3.941 rounds to 4 Ion – a charged a ...
Assignment on Early Atomic Models - SSS Chemistry
... __________________ and played ____________________________. What was the main problem with Rutherford’s model of the atom? _________________________________ ...
... __________________ and played ____________________________. What was the main problem with Rutherford’s model of the atom? _________________________________ ...
Basic Background Review: Acid-Base , Redox, and Stable Isotopes
... reactants (negative ΔH) contributes to spontaneous reaction) •ΔS measure of relative degree of disorder in product and reactant—greater disorder in product than reactant (positive ΔS) contributes to spontaneous reaction ...
... reactants (negative ΔH) contributes to spontaneous reaction) •ΔS measure of relative degree of disorder in product and reactant—greater disorder in product than reactant (positive ΔS) contributes to spontaneous reaction ...
Atomic Theory - Valhalla High School
... Can be used to describe ionized atoms (cations and anions) Many of the chemical and physical properties of elements can be correlated to their electron configuration ...
... Can be used to describe ionized atoms (cations and anions) Many of the chemical and physical properties of elements can be correlated to their electron configuration ...
Chemical Equation
... Advanced Physical Science B Chemistry in Review: The Ions Chemical Formulas Chemical Equations Stoichiometry ...
... Advanced Physical Science B Chemistry in Review: The Ions Chemical Formulas Chemical Equations Stoichiometry ...