04 Biochemistry
... • Atoms with same number of protons, but different number of neutrons. • Most elements have several isotopes. • Isotopes are named by their atomic mass (# of protons + # of neutrons) • Example: carbon-12, carbon-13, carbon-14 carbon-12 = 6p+, 6n0, 6ecarbon-13 = 6p+, 7n0, 6ecarbon-14 = 6p+, 8n0, 6e- ...
... • Atoms with same number of protons, but different number of neutrons. • Most elements have several isotopes. • Isotopes are named by their atomic mass (# of protons + # of neutrons) • Example: carbon-12, carbon-13, carbon-14 carbon-12 = 6p+, 6n0, 6ecarbon-13 = 6p+, 7n0, 6ecarbon-14 = 6p+, 8n0, 6e- ...
The Atomic Model
... 1808 Dalton: small solid spheres 1898 Thompson: atoms eject tiny negative particles!!!! 1904 Thompson: Plum pudding model 1910 Rutherford: Gold foil expt 1913 Bohr: Electrons in ORBITS! Modern Theory (Wave Theory): electrons are wavelike, NOT arranged in neat orbits, but can be discussed only by the ...
... 1808 Dalton: small solid spheres 1898 Thompson: atoms eject tiny negative particles!!!! 1904 Thompson: Plum pudding model 1910 Rutherford: Gold foil expt 1913 Bohr: Electrons in ORBITS! Modern Theory (Wave Theory): electrons are wavelike, NOT arranged in neat orbits, but can be discussed only by the ...
The Atom - Hrsbstaff.ednet.ns.ca
... and neutrons. Protons are positively charged. Neutrons are neutral and have no charge. This made them very difficult to find. Electrons are located outside the nucleus and are negatively charged. The nucleus is heavier than the electrons and stays still. The electrons move around the nucleus. ...
... and neutrons. Protons are positively charged. Neutrons are neutral and have no charge. This made them very difficult to find. Electrons are located outside the nucleus and are negatively charged. The nucleus is heavier than the electrons and stays still. The electrons move around the nucleus. ...
Slide 1
... (protons) were aimed at a piece of gold foil surrounded by a fluorescent screen, most passed through and a few particles were deflected. The greatly deflected action was not expected • Concluded that most passed through because the mass and positive charges were concentrated in one spot in the atom. ...
... (protons) were aimed at a piece of gold foil surrounded by a fluorescent screen, most passed through and a few particles were deflected. The greatly deflected action was not expected • Concluded that most passed through because the mass and positive charges were concentrated in one spot in the atom. ...
Atomic Theory: Early
... – Atoms of one element cannot be converted into atoms of any other element – All atoms of one element have the same properties and these are different from atoms of other elements – Atoms combine in specific proportions – Chemical change is the union or separation of atoms – Atoms cannot be created ...
... – Atoms of one element cannot be converted into atoms of any other element – All atoms of one element have the same properties and these are different from atoms of other elements – Atoms combine in specific proportions – Chemical change is the union or separation of atoms – Atoms cannot be created ...
Chapter 2 Practice Questions
... A) Elements are made up of tiny particles called atoms. B) Atoms are not created or destroyed in chemical reactions. C) All atoms of a given element are identical. D) Atoms are indivisible in chemical reactions. E) All of these statements are true according to modern atomic theory. 4. Avogadro's hyp ...
... A) Elements are made up of tiny particles called atoms. B) Atoms are not created or destroyed in chemical reactions. C) All atoms of a given element are identical. D) Atoms are indivisible in chemical reactions. E) All of these statements are true according to modern atomic theory. 4. Avogadro's hyp ...
The Chemical Basis of Life
... Mass number = (Number of protons) + (Number of neutrons) 84 = (Number of protons) + (Number of neutrons) 84 = 36 (number of neutrons) 48 number of neutrons ...
... Mass number = (Number of protons) + (Number of neutrons) 84 = (Number of protons) + (Number of neutrons) 84 = 36 (number of neutrons) 48 number of neutrons ...
Atomic Theory
... Mass Number (___)- mass of atom in atomic unit Really the mass of the __________________________ Electrons are so tiny that they don’t count ...
... Mass Number (___)- mass of atom in atomic unit Really the mass of the __________________________ Electrons are so tiny that they don’t count ...
Review for Chapter 2
... Review for Chapter 2: Atoms, Molecules, and Ions 1. Dalton’s Atomic Theory says: • Matter is composed of tiny, indivisible particles called “atoms”. • All atoms of the same element are identical. • Compounds contain atoms of different elements combined in whole-number ratios. • Atoms are combined or ...
... Review for Chapter 2: Atoms, Molecules, and Ions 1. Dalton’s Atomic Theory says: • Matter is composed of tiny, indivisible particles called “atoms”. • All atoms of the same element are identical. • Compounds contain atoms of different elements combined in whole-number ratios. • Atoms are combined or ...
Chapter 2: Atoms, Molecules, and Ions
... 1. Students will be familiar with the laws of chemical composition: law of conservation of mass, law of multiple proportions, and law of constant composition. 2. Students will become familiar with the work of classical atomic theorists such as Lavoisier and Dalton. 3. Students will be able to state ...
... 1. Students will be familiar with the laws of chemical composition: law of conservation of mass, law of multiple proportions, and law of constant composition. 2. Students will become familiar with the work of classical atomic theorists such as Lavoisier and Dalton. 3. Students will be able to state ...
chapter 1 - Revsworld
... water. Determine the empirical formula of this compound. SHOW ALL WORK (a) (b) (c) (d) (e) ...
... water. Determine the empirical formula of this compound. SHOW ALL WORK (a) (b) (c) (d) (e) ...
File - 8th Grade Physical Science
... including C, S, Cu, Ag, Au, Fe, Sn, Sb and Pb. The names of most of these are from the Latin words. ...
... including C, S, Cu, Ag, Au, Fe, Sn, Sb and Pb. The names of most of these are from the Latin words. ...
2 - Castle High School
... • In the periodic table, there is a periodic pattern in the physical and chemical properties of elements when they are arranged in order of • a. increasing atomic mass. • b. increasing electronegativity. • c. increasing atomic radius. • d. increasing atomic number. ...
... • In the periodic table, there is a periodic pattern in the physical and chemical properties of elements when they are arranged in order of • a. increasing atomic mass. • b. increasing electronegativity. • c. increasing atomic radius. • d. increasing atomic number. ...
Notes - Science 2015-2016
... ▫ Protons and neutrons are in the _________ ? ▫ Electrons are located __________ ? ...
... ▫ Protons and neutrons are in the _________ ? ▫ Electrons are located __________ ? ...
Chapter 2: Atoms, Molecules, and Ions
... 1. Students will be familiar with the laws of chemical composition: law of conservation of mass, law of multiple proportions, and law of constant composition. 2. Students will become familiar with the work of classical atomic theorists such as Lavoisier and Dalton. 3. Students will be able to state ...
... 1. Students will be familiar with the laws of chemical composition: law of conservation of mass, law of multiple proportions, and law of constant composition. 2. Students will become familiar with the work of classical atomic theorists such as Lavoisier and Dalton. 3. Students will be able to state ...
atom - www .alexandria .k12 .mn .us
... Neutron No charge (neutral) Located in the nucleus Mass number of 1 Mass of atom = protons + neutrons ...
... Neutron No charge (neutral) Located in the nucleus Mass number of 1 Mass of atom = protons + neutrons ...
final exam review packet
... 68. Pauli’s exclusion Principle states that no more than two electrons can occupy an orbital, provided they have opposite spins. In what directions can these electrons spin? ...
... 68. Pauli’s exclusion Principle states that no more than two electrons can occupy an orbital, provided they have opposite spins. In what directions can these electrons spin? ...
Chemistry: The Basics
... • The 1st orbital of an atom (closest to the nucleus) can hold 2 electrons • The 2nd orbital of an atom can hold up to 8 ...
... • The 1st orbital of an atom (closest to the nucleus) can hold 2 electrons • The 2nd orbital of an atom can hold up to 8 ...
CHAPTER 3 Atoms: The Building Blocks of Matter
... – All matter is composed of extremely small particles called atoms – Atoms of a given element are identical in size, mass, and other properties – Atoms cannot be subdivided, created, or destroyed – Atoms of different elements combine in simple whole number ratios to form compounds – In chemical reac ...
... – All matter is composed of extremely small particles called atoms – Atoms of a given element are identical in size, mass, and other properties – Atoms cannot be subdivided, created, or destroyed – Atoms of different elements combine in simple whole number ratios to form compounds – In chemical reac ...
Unit 3: Atomic Structure
... explore current atomic theory. Emphasis will be placed on utilizing the periodic table as a tool to understand periodic trends and chemical nomenclature. Through research and discussion, students will differentiate between fission and fusion and debate the issues relating to nuclear reactions and ra ...
... explore current atomic theory. Emphasis will be placed on utilizing the periodic table as a tool to understand periodic trends and chemical nomenclature. Through research and discussion, students will differentiate between fission and fusion and debate the issues relating to nuclear reactions and ra ...
Living Chemistry Atoms, Molecules and Compounds
... a. The number of protons in an atom of an element (In atoms, the #of e- = #of p+) 4. Atomic mass a. # of protons + # of neutrons ( electrons have charge but no mass) 5. Isotopes a. Atoms of the same element that differ in the number of neutrons Chemical Reactions A. Chemical bonds 1. Formed sharing ...
... a. The number of protons in an atom of an element (In atoms, the #of e- = #of p+) 4. Atomic mass a. # of protons + # of neutrons ( electrons have charge but no mass) 5. Isotopes a. Atoms of the same element that differ in the number of neutrons Chemical Reactions A. Chemical bonds 1. Formed sharing ...
The Periodic table and subatomic particles
... Ionic compounds – metal and nonmetal – name metal and change ending of nonmetal to “ide” Molecular compounds – 2 nonmetals (use prefixes) Polyatomic compounds – metal and group of nonmetals – name metal followed by polyatomic ion ...
... Ionic compounds – metal and nonmetal – name metal and change ending of nonmetal to “ide” Molecular compounds – 2 nonmetals (use prefixes) Polyatomic compounds – metal and group of nonmetals – name metal followed by polyatomic ion ...
The Greek Model - davis.k12.ut.us
... matter could not be divided into smaller and smaller pieces forever. Eventually, the smallest piece of matter would be found. He used the word atomos to describe the smallest possible piece of matter. ...
... matter could not be divided into smaller and smaller pieces forever. Eventually, the smallest piece of matter would be found. He used the word atomos to describe the smallest possible piece of matter. ...