Relacionar Columnas Semester 2 Science Final Online GameVersión en línea Review game for semester 2 final. por Amanda Occhino 1 Nonmetals can be found on the _____ side of the periodic table. 2 An object that floats on water has a density ___ than 1-g/mL. 3 ___ are negatively charged particles in an atom. 4 _____ energy naturally flows from warmer to cooler matter, this is what we know as heat or heat flow. 5 Fluorine, chlorine, bromine, and iodine are all part of the _____ family. 6 Another term for the ability to burn is _____ at temperatures below 37.8 ℃. 7 The series of electron orbits in ’_____ model resemble planets orbiting the Sun or the layers of an onion. 8 An object’s weight is 1/6 on the moon as it is on earth. On the moon, the object’s mass ____ 9 A piece of paper will provide protection from _____radiation. 10 An object that sinks in water has a density ____ than 1-g/mL. 11 The modern periodic table is organized according to _______ . 12 Both a pool of water and a piece of ice are the same___________, so they have the same ______. 13 The horizontal rows on the periodic table are known as _____ or _____ . 14 The atomic nuclei of unstable isotopes release fast-moving particles and energy in a process called ______ . 15 Butter melting in a pan is a physical(_____) change where energy is ___. endothermic, absorbed radioactive decay periods, series less greater Bohrs Thermal atomic number substance,composition halogen remains the same electrons flammability right alpha 1 Scientific theories often make use of __ , which are representations of an idea to help scientists understand what they cannot directly observe. 2 Glass breaking, ice melting, and the dissolution of sugar in water are all ____properties. 3 Iron rusting, silver tarnishing, fruit ripening, and combustion are all ____ properties. 4 Four measurable physical properties of matter are _____, ____, ___, and ___. Of these, ___ and ____ are derived measurements and must be calculated. 5 Compounds are formed as a result of _____ during chemical reactions in a set ratio. 6 Each element is given a specific ___ that usually consists of one or two letters. 7 New substances are produced by a(n) __________change, while a(n) _____ change does not result in a new substance. 8 One milliliter is equal to ______cubic centimeters. 9 H2SO4 and H2SO3 ____ the same substance. 10 Atoms with the same number of protons and different numbers of neutrons are called _____ . 11 Salad dressing is an example of a _____ mixture. 12 A column of elements on the periodic table is called a ____ or a ____ because they have similar _____ . 13 Characteristics of matter are called_______. 14 ____ has mass and volume (takes up ____). 15 One liter is equal to ____ milliliters. 1000 mass,volume,density,length, volume,density Are not Matter,space 1 chemical, physical group, family, characteristic properties physical properties chemical symbol isotopes heterogeneous bonding models 1 The chemical reactivity of metals tends to ____ from left to right across the periodic table. 2 Elements that easily transmit electricity and heat display the property known as ______ . 3 Mendeleev discovered that periodic patterns appeared when he arranged the elements in order of increasing ______ . 4 Solid, liquid, gas, plasma, quantum foam are the five _____ (states) of matter. 5 The spontaneous emission of radiation by an unstable atomic nucleus was named ______ by Marie Curie. 6 The ____ of an object is a measure of the thermal energy (motion of the particles) of a substance. 7 The chemical _____ for water is H2O and for hydrogen peroxide is H2O2. 8 Salt water is an example of a ______mixture.(specifically a solution) 9 Is the study of matter and the changes in matter. 10 The amount of space an object takes up is a measure of its _______. 11 The ability of iron to rust is a(n) _____property. 12 The chemical ______ for tungsten is W, where Au stands for gold. 13 The amount of matter in an object is a measure of its _____. 14 The property of an element that indicates the number of protons in its atoms is the _______of that element. 15 Substances in a ___ keep their own properties since they are not chemically combined. conductivity Mass formula decrease phases symbol chemical Volume atomic number Chemistry temperature homogeneous mixture radioactivity atomic mass 1 The metal tungsten is used in incandescent light bulbs because of its property of ___conductivity. 2 The physical property that makes metal pots good for cooking is ___ conductivity. 3 The ratio of each type of atom in sulfuric acid, H2SO4, is _ hydrogen to _ sulfur to _ oxygen. 4 Most metals are in the ___ state or phase at room temperature. 5 The Law of Conservation of__states that in any physical/chemical change, matter is neither created or destroyed,only changed from one form to another. 6 The ___ is the very small center of an atom. 7 In 1869, Dmitri Mendeleev created the first version of the ______ . 8 The mass of an object is constant, whereas the weight of the same object ___ depending on its location. 9 The energy stored in bonds between atoms is chemical energy, a form of _____ energy. 10 At room temperature, all the metalloids are solids, while many of the nonmetals are _____ . 11 Elements known as ____ are located to the right of the metalloids on the periodic table. 12 The SI unit for density is ___, but the common unit is ____. 13 The form/appearance of a substance is altered during a _ change,where the actual chemical composition/ratio of atoms is altered during _ change. 14 A balloon filled with air does not rise as high as a balloon filled with helium gas, telling me that helium gas is _____ dense than air. 15 The mass per unit volume of an object is a measure of its __. gases changes Mass nucleus nonmetals periodic table Thermal 2,1,4 kg/m3, g/cm3 electrical solid Density physical,chemical less potential 1 A mixture of iron and sulfur can be separated by 2 The half-life of a radioactive isotope is the length of time needed for half of the atoms of a sample to _____ . 3 Atoms are neutral because they have equal numbers of _____ and _____ . 4 The mass of a(n) _____ is so small that it doesn’t really change the mass of an atom. 5 Because radioactive isotopes decay at a predictable rate, the half-life can be used to tell how old a material is by the process of _________ . 6 The SI unit for weight is _______ 7 The common unit for volume is ________ 8 ______Is made out of atoms and can form molecules, or compounds 9 The SI unit for volume is _______. 10 Two ways a proton and a neutron are similar are they have the same ____ and are both located in the ____ . 11 When the atoms in elements combine to form compounds, their ___ change. 12 The SI unit for mass is _, but the common unit is _. 13 When uranium-238 decays into lead-206,the difference between the mass of uranium & lead is _amu,while the difference between their atomic numbers is_. 14 The substances in a ____ mixture can usually be seen and are easily separated. 15 The substances in a ___ mixture are evenly distributed and you cannot see the parts. decay protons, electrons mass, nucleus Newton Heterogeneous properties 32,10 cubic centimeters or milliliter Magnet elements electron kg,g Homogeneous radioactive dating liters or cubic meter 1 Radioactive isotopes called _____ can be used to detect some medical problems. 2 _____is so unique that it could easily be placed in either group 1 or group 17. 3 A special form of homogeneous mixture that is composed of evenly distributed solute particles in a solvent is called a(n) ________ 4 A(n)____will always take the shape and volume of its container. 5 ____ metals react violently with water. 6 A state of matter with a definite volume, but no definite shape is a(n) ____. 7 A(n) __ has neither a definite volume nor a definite shape. 8 ________metals tend to be less reactive than the families to the left and right of them. 9 ___ is the inward force among the molecules of a liquid. 10 The amount of space that matter fills is its ___ 11 An_particle is released when radium decays into radon, while a__particle is released when changing neutron into proton when lead decays into bismuth. 12 A(n) ____ has a definite volume and a definite shape. 13 The __ of a gas is represented by the formula f/A, where f = force pushing on the walls of a container and A = area of the walls of the container. 14 The _____ is a measure of the average speed of the particles in a substance. 15 ____is always released during any type of radioactive decay. transition solid liquid temperature gas surface tension alkali Gamma radiation Homogeneous Solution volume pressure gas tracers hydrogen alpha, beta 1 The properties of solid metals can be explained by the ___ of and the bonding among the metal atoms. 2 A(n) ___ solid has a definite melting point. 3 Particles of a _____ have the greatest thermal energy. 4 Metalloids have properties of____ metals and nonmetals. 5 Freezing occurs when the particles of a liquid ___ enough energy to take fixed positions. 6 The temperature at which a liquid turns to a gas is its ____. 7 The element in group 18, period 4 is ___ and it would be a___at room temperature and would ____react with other elements. 8 Both gases and liquids are ____. 9 Ionic compounds that dissolve in water conduct electricity because they break into _____ that move freely. 10 Orderly crystal shapes, high melting points, and electrical conductivity when dissolved in water are properties of _____compounds. 11 A substance is a single kind of matter that has a specific ________. 12 A(n) _____ solid has a melting point range. 13 The process where bromine gas touches a surface and becomes crystals is called _____. 14 Glass is an example of a(n) _____ solid. 15 The process that makes ice cubes shrink as they sit in a freezer is called _____. fluids boiling point ionic amorphous krypton, gas, not ions both amorphous lose sublimation structure Composition Deposition crystalline gas 1 Vaporization is the reverse process of _______. 2 When an atom loses an electron, it becomes a(n) ______ charged ____ . 3 As a result of Rutherford’s gold foil experiment scientists inferred that an atom’s __ charge must be concentrated in the __ of the atom. 4 A nonpolar bond is formed when two atoms share electrons _____ . 5 A low melting point is one property of _____compounds. 6 Sublimation and _______ both happen at the surface of a substance. 7 Water particles in gas coming off a pan of boiling water are moving ____than the particles of water in the pan. 8 The temperature at which a liquid turns to a solid is called its ________. 9 The overall charge on an atom is__ ; the overall charge on a compound is___ . 10 ______ is the reverse process of freezing. 11 _____&____ are both forms of vaporization. 12 When electrons are ____ between two atoms, a covalent bond is formed. 13 ____ occurs at any temperature when a liquid becomes a gas on the surface of a substance. 14 A(n) _____ change (reaction) releases energy(gets warmer), while a(n) _____ change (reaction) absorbs energy(gets colder). 15 ______ occurs at a specific temperature when a liquid becomes a gas beneath and on the surface of a substance. positive,nucleus freezing point boiling equally faster condensation evaporization shared 0, 0 positively, cation melting evaporization boiling and evaporization exothermic,endothermic covalent 1 Measurements of half-life make radioactive isotopes useful for determining the ages of ___and___. 2 At room temperature, more than half of the nonmetal elements are ___ . 3 Molecular compounds that dissolve in water do not conduct electricity because no ___ are present. 4 You can predict an element’s _____ based on its location on the periodic table. 5 Aluminum foil is an example of a metal that is _____. 6 A(n)_______ is the smallest part of a substance. 7 A chemical bond formed when two atoms share electrons is called a(n) _______ . 8 The two most common alkaline earth metals are ___and __ 9 Metals are ___,____ and can carry an ____. 10 Electrons involved in bonding between atoms are __ electrons located __ from the nucleus in the _ and _ sublevels that have a ___ charge. 11 The atomic number of an element is the number of __ in its ___ . 12 Beta radiation consists of particles that are identical to ____ . 13 The elements that do not react to form compounds under normal conditions are the ____. 14 Mendeleev created the first periodic table by arranging elements in order of __ atomic __ . 15 A _____ bond is when two pairs of electrons are shared between two atoms. gases malleable,ductile,electric current malleable . characteristics properties atom calcium,magnesium rocks,fossils valence, farthest, s, p, negative covalent bond increasing, mass protons,nucleus double noble gases ions electrons 1 _______ have properties of both metals and nonmetals. 2 In the chemical formula for an ionic compound, the name of the ______ is written first. 3 A(n) ______ is the smallest unit of matter that has the properties of its element. 4 A mixture made up of two or more elements, at least one of which is a metal is called a(n)____ . 5 The most reactive metals on the periodic table are found in group ___ , period ___ which are the ___ metals. 6 Ions that are made of more than one type of atom are examples of ___________ . 7 In an atom, the number of ____ and ___ are equal. 8 The _____ is the number of protons in an atom. 9 Fluorine is a(n)_______ molecule because the valence electrons are shared equally between the two fluorine atoms. 10 A material that is ___ can be pulled or drawn into a long wire. 11 The elements in the same column (or __ or __ ) on the periodic table have similar ______ . 12 An ionic bond is the attraction between______________charged ions. 13 ___ orbit the nucleus of an atom. 14 Most elements on the periodic table are classified as ____ . 15 Elements in the same row on the periodic table have ___ properties that change in a pattern. non polar covalent element metals periodic alloy electrons metallic cation atomic number ductile polyatomic ions oppositely one,1-7, alkali group,family,characteristic properties metalloids protons,electrons
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