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This is the last day before your exam… Study HARD tonight! Which of these particles has a neutral charge? A Photon B Neutron C Proton D Electron Which of these particles has a neutral charge? A Photon B Neutron C Proton D Electron Which of these belongs in the outermost shell (energy level) of an atom? F Electrons G Protons H Neutrons J Photons Which of these belongs in the outermost shell (energy level) of an atom? F Electrons G Protons H Neutrons J Photons A proton has which of the following charges? A Negative B Neutral C Positive D Magnetic A proton has which of the following charges? A Negative B Neutral C Positive D Magnetic In J.J. Thomson’s “plum pudding” or “blueberry muffin” model of the atom, which particles do the blueberries represent? F Photons G Protons H Neutrons J Electrons In J.J. Thomson’s “plum pudding” or “blueberry muffin” model of the atom, which particles do the blueberries represent? F Photons G Protons H Neutrons J Electrons The atom is composed of electrons, protons, and neutrons. What is the electric charge on the neutron? A -1 B +1 C 0 D +2 The atom is composed of electrons, protons, and neutrons. What is the electric charge on the neutron? A -1 B +1 C 0 D +2 Which scientist’s model of the atom has electrons randomly orbiting a positively charged nucleus? Based on his gold foil experiment, he also proposed that the atom is mostly empty space. F Ernest Rutherford G Neils Bohr H John Dalton J J.J. Thomson Which scientist’s model of the atom has electrons randomly orbiting a positively charged nucleus? Based on his gold foil experiment, he also proposed that the atom is mostly empty space. F Ernest Rutherford G Neils Bohr H John Dalton J J.J. Thomson Which of the following lists the elements in order, from those having the least protons to those having the most protons in their atoms? A O, N, B, Li B Na, S, Al, Cl C Rb, K, Na, Li D O, S, Se, Te Which of the following lists the elements in order, from those having the least protons to those having the most protons in their atoms? A O, N, B, Li B Na, S, Al, Cl C Rb, K, Na, Li D O, S, Se, Te Determine the number of PROTONS NEUTRONS TOTAL ELECTRONS AND…VALENCE ELECTRONS for the element Se Determine the number of PROTONS = 34 NEUTRONS = 79 – 34 = 45 TOTAL ELECTRONS = 34 AND…VALENCE ELECTRONS = 6…BECAUSE IT IS IN GROUP 16! for the element Se What group number is Ca in? What period number is Ar in? What group number is Ca in? Group 2! Because it is in the 2nd column **remember – group = family = column You stand UP for your family or your group of friends What period number is Ar in? Period 3! Because it is in the 3rd row **Remember** period = horizontal row You write a sentence from left to right, and punctuate it with a PERIOD…………. Which of the following elements belongs to the family indicated? F Nitrogen belongs to the halogen family. G Helium belongs to the noble gas family. H Calcium belongs to the alkali family. J Sodium belongs to the alkali earth family. Which of the following elements belongs to the family indicated? F Nitrogen belongs to the halogen family. G Helium belongs to the noble gas family. H Calcium belongs to the alkali family. J Sodium belongs to the alkali earth family. Which of these elements has an atomic number of 14? A N B Al C Si D P Which of these elements has an atomic number of 14? A N B Al C Si D P Which of the following elements has 16 protons? F Oxygen G Chlorine H Sulfur J Germanium Which of the following elements has 16 protons? F Oxygen G Chlorine H Sulfur J Germanium Which element is an alkali metal? A K B Mg C Al D Ag Which element is an alkali metal? A K B Mg C Al D Ag Which of these elements has the greatest atomic mass? F B G C H N J Al Which of these elements has the greatest atomic mass? F B G C H N J Al Mendeleev created the first periodic table by arranging elements in order of – A decreasing atomic mass B increasing atomic mass C increasing atomic number D increasing densities Mendeleev created the first periodic table by arranging elements in order of – A decreasing atomic mass B increasing atomic mass C increasing atomic number D increasing densities Electrons involved in bonding between atoms are – F valence electrons G inside the nucleus H closest to the nucleus J positively charged Electrons involved in bonding between atoms are – F valence electrons G inside the nucleus H closest to the nucleus J positively charged What is the greatest number of valence electrons an atom can have? A 1 B 3 C 8 D 100 What is the greatest number of valence electrons an atom can have? A 1 B 3 C 8 D 100 The modern periodic table is arranged in order of increasing – F atomic mass G number of valence electrons H atomic number J number of neutrons The modern periodic table is arranged in order of increasing – F atomic mass G number of valence electrons H atomic number J number of neutrons What information in the periodic table indicates the number of protons in an atom? A The position of the element in its column B The element’s chemical symbol C The element’s atomic number D The element’s atomic mass What information in the periodic table indicates the number of protons in an atom? A The position of the element in its column B The element’s chemical symbol C The element’s atomic number D The element’s atomic mass From an element’s location in the periodic table, you can predict – F its properties G its chemical name H its chemical symbol J when it was discovered From an element’s location in the periodic table, you can predict – F its properties G its chemical name H its chemical symbol J when it was discovered The elements in a column of the periodic table A are in the same family. B are in the same period. C have the same atomic mass. D have the same chemical symbols. The elements in a column of the periodic table A are in the same family. B are in the same period. C have the same atomic mass. D have the same chemical symbols. Across a period of eight elements in the periodic table, the number of valence electrons – F is the same for all eight elements. G is equal to the period’s number. H depends on the atomic number of the elements. J increases from 1-8. Across a period of eight elements in the periodic table, the number of valence electrons – F is the same for all eight elements. G is equal to the period’s number. H depends on the atomic number of the elements. J increases from 1-8. Which of the following have the same number of valence electrons? A the elements in a period B the elements in a group C the elements having similar atomic masses D the elements having similar atomic numbers Which of the following have the same number of valence electrons? A the elements in a period B the elements in a group C the elements having similar atomic masses D the elements having similar atomic numbers Where are metals located in the periodic table? F to the left of the zigzag line G to the right of the zigzag line H in the top rows J in the middle rows Where are metals located in the periodic table? F to the left of the zigzag line G to the right of the zigzag line H in the top rows J in the middle rows Which elements have 1 valence electron in their atoms? A transition metals B halogens C alkali earth metals D alkali metals Which elements have 1 valence electron in their atoms? A transition metals B halogens C alkali earth metals D alkali metals At room temperature, more than half of the nonmetal elements are F alloys G gases H liquids J solids At room temperature, more than half of the nonmetal elements are F alloys G gases H liquids J solids Which member of the carbon family is a nonmetal? A carbon B silicon C tin D lead Which member of the carbon family is a nonmetal? A carbon B silicon C tin D lead Fluorine, chlorine, bromine, and iodine are part of a family called – F noble gases G metalloids H halogens J alkali metals Fluorine, chlorine, bromine, and iodine are part of a family called – F noble gases G metalloids H halogens J alkali metals The two most common alkali earth metals are – A copper and zinc B iron and silver C sodium and potassium D magnesium and calcium The two most common alkali earth metals are – A copper and zinc B iron and silver C sodium and potassium D magnesium and calcium Which elements share characteristics with both metals and nonmetals? F transition elements G metalloids H halogens J alloys Which elements share characteristics with both metals and nonmetals? F transition elements G metalloids H halogens J alloys When the number of protons equals the number of electrons in an atom, the overall charge on the atom is – A positive B negative C neutral D electric When the number of protons equals the number of electrons in an atom, the overall charge on the atom is – A positive B negative C neutral D electric Which of the following is a liquid at room temperature? F Pb G Li H Hg J K Which of the following is a liquid at room temperature? F Pb G Li H Hg J K Label the atom. Who proposed this model? Label the atom. Who proposed this model? Niels Bohr – because it has ORBITS! nucleus proton neutron electron Where is most of the mass of an atom located? A In the nucleus B Electron cloud C In the electron D Spread evenly throughout the atom Where is most of the mass of an atom located? A In the nucleus B Electron cloud C In the electron D Spread evenly throughout the atom Which scientist proposed a model of the atom in which the individual atoms were thought of as tiny solids like balls or marbles? A JJ Thomson B Ernest Rutherford C John Dalton D Neils Bohr Which scientist proposed a model of the atom in which the individual atoms were thought of as tiny solids like balls or marbles? A JJ Thomson B Ernest Rutherford C John Dalton D Neils Bohr Which scientist proposed a model of the atom in which the individual atoms were thought of as positively charged spheres with negatively charged electrons randomly orbiting the center? This model has the atom being made up of mostly empty space. A Niels Bohr B John Dalton C JJ Thomson D Ernest Rutherford Which scientist proposed a model of the atom in which the individual atoms were thought of as positively charged spheres with negatively charged electrons randomly orbiting the center? This model has the atom being made up of mostly empty space. A Niels Bohr B John Dalton C JJ Thomson D Ernest Rutherford Which scientist proposed a model of the atom in which the individual atoms were thought of as positively charged spheres with negatively charged electrons orbiting in specific layers or shells? The atom absorbs or gives off specific amounts of energy when the electrons move from one shell to another. A John Dalton B Niels Bohr C JJ Thomson D Ernest Rutherford Which scientist proposed a model of the atom in which the individual atoms were thought of as positively charged spheres with negatively charged electrons orbiting in specific layers or shells? The atom absorbs or gives off specific amounts of energy when the electrons move from one shell to another. A John Dalton B Niels Bohr C JJ Thomson D Ernest Rutherford Which scientist proposed a model of the atom in which the individual atoms where thought of as positively charged spheres with negatively charged electrons embedded in it? A John Dalton B Ernest Rutherford C JJ Thomson D Niels Bohr Which scientist proposed a model of the atom in which the individual atoms where thought of as positively charged spheres with negatively charged electrons embedded in it? A John Dalton B Ernest Rutherford C JJ Thomson D Niels Bohr The group 17 elements belong to which family? A Alkali Metals B Noble Gases C Alkali Earth Metals D Halogens The group 17 elements belong to which family? A Alkali Metals B Noble Gases C Alkali Earth Metals D Halogens Who created the first periodic table? A JJ Thomson B James Chadwick C Dmitri Mendeleev D Charles Darwin Who created the first periodic table? A JJ Thomson B James Chadwick C Dmitri Mendeleev D Charles Darwin The elements in a row of the periodic table are in the same ______________. A column B family C period D group The elements in a row of the periodic table are in the same ______________. A column B family C period D group The majority of the elements on the periodic table are – A solid and metal B gas and metalloid C liquid and nonmetal D plasma and semi-metallic The majority of the elements on the periodic table are – A solid and metal B gas and metalloid C liquid and nonmetal D plasma and semi-metallic Which elements have 2 valence electrons in their atoms? A Alkali Metals B Alkali Earth Metals C Halogens D Noble Gases Which elements have 2 valence electrons in their atoms? A Alkali Metals B Alkali Earth Metals C Halogens D Noble Gases