1. During his distinguished career this scientist received two unshared Nobel prizes. One for chemistry and one for peace.Alfred NobelMarie


 
                                            1. During his distinguished career this scientist received two unshared Nobel prizes. One for chemistry and one for peace.Alfred NobelMarie CurrieLinus PaulingAlbert Einstein               An Introduction To ChemistryAnswer Sheet provide your answer in the answer sheets!1 182 193 204 215 226 237 248 259 2610 2711 2812 2913 3014 3115 3216 3317 An Introduction To Chemistry1. During his distinguished career this scientist received two unshared Nobel prizes. One for chemistry and one for peace.A. Alfred NobelB. Marie CurrieC. Linus PaulingD. Albert Einstein2. The study of matter and the changes it undergoes describes the science of .A. physicsB. mathematicsC. chemistryD. biology3. Theis the fundamental unit of matter.A. atomB. compoundC. nucleusD. proton4. The atom is composed of three subatomic particles known as ,and .A. neutrals, electives and peeonsB. quarks, alpha rays and xenonsC. electrons, protozoans and electricalsD. protons, neutrons and electrons5. Protons arecharged particles found in the nucleus of an atom.A. neutrallyB. positivelyC. negativelyD. brighltly6. Electrons arecharged particles that orbit the nucleus of an atom.A. negativelyB. positivelyC. neutrallyD. brighltly7. Neutrons areparticles found in the nucleus of an atom.A. negatively chargedB. positively chargedC. unchargedD. brightly8. An ion is an atom or molecule that .A. is electrically neutralB. is composed of two or more elementsC. is man madeD. carries a charge9. Which of the following chemical species is a cation?A. Cl-B. H+C. AuD. HCO3-10. The atomic number of an atom or element describes the number of .A. electrons orbiting the nucleusB. neutrons in the nucleusC. alpha particles in the nucleusD. protons in the nucleus11. Mass is proportional to the number ofthat make up an object.A. atomsB. cellsC. neutronsD. protons12. Weight is best described as .A. the number of atoms in an objectB. the pull of gravity on matterC. the electrical charge on an ionD. the number of electons in an atom13. Atoms of any one type of element, such as gold, all posess the same number of .A. electronsB. neutronsC. protonsD. nuclei14. There are currentlyknown elements.A.65B.98C.112D.15215. Elementare one or two letter abbreviations for the names of the elements.A. numbersB. atomic numbersC. symbolsD. characters mass16. Two or more elements that combine as a result of a chemical reaction form .A. atomsB. ionsC. mixturesD. compounds17. An example of a mixture would be .A. a bar of pure goldB. the air we breatheC. sodium chloride saltD. pure water18. The three states of matter are ,and .A. atoms, molecules and compoundsB. atoms, compounds and mixturesC. solids, liquids and gasesD. solids, gases and steam19. The least dense and most energetic of the three states of matter is .A. the gaseous stateB. the liquid stateC. the solid stateD. the elemental state20. All measurements must consist of both .A. a size and a shapeB. a price and a volumeC. a number and a unitD. a color and a number21. Density is a physical property that refers to .A. the number of atoms in an objectB. the weight of an objectC. the mass of an object relative to its volumeD. the weight of an object relative to its cost22. A kilogram is equal tograms.A.1B.10C.100D.1,00023. There arecentimeters in a meter.A.1B.10C.100D.1,00024. Measurements arebecause of equipment error and human judgment.A. uselessB. uncertainC. perfectD. inaccurate25. The number 221.5 containssignificant figure(s).A.1B.2C.3D.426. The number .001 containssignificant figure(s).A.1B.2C.3D.427. The number 226 would be scientifically noted as .A.226B.2.26 x101C.2.26 x 102D.22.6 x 10128. The figure .005 would be scientifically noted as .A.5 x 10-1B.5 x 10-2C.5 x 10-3D.5 x 10-429. Elements or atoms are arranged on the periodic table in the order of increasing .A. atomic massB. atomic weightC. atomic numberD. atomic symbols30. A substance that weighs 10 grams and has a volume of 2 cm3 would have a density of .A.5 gcm3C.2gcm331. The terms Kelvin, Celsius and Fahrenheit all correspond to units of .A. densityB. hardnessC. volumeD. temperature32. Theis the SI standard unit for measurements of length.A. cetimeterB. footC. meterD. yard33. One kilogram is equal to approximatelypounds.A.1.2B.2.2C.3.2D.4.2​


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