STUDENT NAME DATE PERIOD. Science Chemistry. Read each question and choose the best answer. Be sure to mark all of your answers.

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1 FORMATIVE MINI ASSESSMENTS First Grading Period October 18-1 STUDENT NAME DATE PERIOD Science Chemistry Read each question and choose the best answer. Be sure to mark all of your answers. The mass number of one atom of an element is the number of F protons and electrons G protons and neutrons H electrons and neutrons J protons, electrons, neutrons 1 After studying the states of matter shown above, which phase has a definite shape and volume and the movement of the molecules is minimal due to compressibility? 3 The element Chlorine has three natural isotopes. Each isotope would contain a different A number of protons B number of electrons C number of neutrons D atomic number A Solid B Liquid C Gas D Plasma 4 Which of these naturally occurring processes is a chemical change? F Oxidation G Melting H Evaporation J Condensation SAISD Chemistry FMA October 10 Page 1

2 5 When magnesium and oxygen chemically combine, they form a(n) A element B compound C mixture D solution 8 Which of the following is an example of physical change? F Mixing baking soda and vinegar together causing bubbles to form G A glass shattering as it hits the floor H Lighting a piece of paper on fire and the paper burning and leaving behind ashes J Baking a birthday cake for your mother 6 What is the electron configuration for Sulfur? F 1s s p 6 3s 3p 3 G 1s s p 6 3s 1 3p 5 H 1s s p 6 3s 3p 4 J 1s s p 6 3s 3p 5 9 Which of the following explains why saltwater is considered a mixture? A It is composed of one element. B It is composed of one compound. C It is composed of two or more substances and has new chemical properties. D It is composed of two or more substances that retain their own chemical properties. 7 Blood is considered a mixture because it A has components that are present in a definite ratio B can be physically separated into its components C has a specific chemical formula D is identified by letter codes SAISD Chemistry FMA October 10 Page

3 1 Which element has similar characteristics as barium? F Cesium G Gold H Magnesium J Silicon 10 The Lewis valence electron dot structure is a representative of which family? F Boron Family G Carbon Family H Nitrogen Family J Oxygen Family 11 Which of the following states of matter is paired with its correct description? A Solid: It has a definite shape and the particles have no motion. B Liquid: It has a definite shape and the particles expand to fill the container they are placed in. C Gas: The particles have more energy than when they are in the liquid phase. D Liquid: The particles have less energy than when they are in the solid state. SAISD Chemistry FMA October 10 Page 3

4 Density = 6.0 g/cm 3 13 The object above has a density of 6.0 g/cm 3. If it is cut into six equal pieces, each piece will have a density of A 1/6 g/cm 3 B 1.0 g/cm 3 C 3.0 g/cm 3 D 6.0 g/cm 3 14 An object is placed in a fluid. The buoyant force on the object is equal to F the weight of fluid that was displaced by the object G the density of the object H the mass of the object divided by the mass of the fluid J the density of the fluid SAISD Chemistry FMA October 10 Page 4

5 Use the information below to help you answer question 15. Percent of Gases in the Atmosphere Oxygen 1% Other 1% Nitrogen 78% 15 If a normal breath is 500 ml of air, how much oxygen is actually taken in with each normal breath? Bubble in your answer on the grid provided to the whole ml. SAISD Chemistry FMA October 10 Page 5

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7 FORMULA CHART Density = heat gained ( ) = mass in change in specific or lost ( grams )( temperature )( heat ) distance traveled Speed = time final velocity initial velocity Acceleration = change in time Momentum = mass velocity Force = mass acceleration Work = force distance work Power = time work output % efficiency = 100 work input 1 Kinetic energy = (mass velocity ) Gravitational potential energy = mass acceleration due to gravity height Energy = mass (speed of light) Velocity of a wave = frequency wavelength Current = mass volume voltage resistance Electrical power = voltage current Electrical energy = power time D = Q = (m)( T)(Cp) v = a = p = mv F = ma W = Fd P = % = 100 KE = PE = mgh E = mc v = f λ I = m v d t W t V R P= VI E = Pt v f v i t W O W I mv Constants/Conversions g = acceleration due to gravity = 9.8 m/s c = speed of light = m/s speed of sound = 343 m/s at sea level and 0 C 1 cm 3 = 1 ml 1 wave cycle/second = 1 hertz (Hz) 1 calorie (cal) = 4.18 joules 1000 calories (cal) = 1 Calorie (Cal) = 1 kilocalorie (kcal) newton (N) = kgm/s joule (J) = Nm watt (W) = J/s = Nm/s volt (V) ampere (A) ohm (Ω)

8 Periodic Table of the Elements Group 1 IA 1 H Hydrogen IIA 3 4 Li Be Lithium Beryllium 11 1 Na Mg Sodium Magnesium 19 0 K Ca IIIB IVB VB VIB VIIB VIII Sc Ti V Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Cr Mn Rb Sr Y Zr Nb Mo Tc Ru (98) Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Cs Ba La Hf Ta W Re Os Cesium Barium Lanthanum Hafnium Tantalum Tungsten Rhenium Osmium Iridium Fr Ra Ac Rf Db Sg Bh Hs Mt (3) (61) (6) (63) (6) (65) (66) Francium Radium Actinium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Fe Co Rh I r Lanthanide Series Actinide Series 58 Ce Th Pr Pa Nd U Pm Np Sm (145) Cerium Praseodymium Neodymium Promethium Samarium Pu (44) Thorium Protactinium Uranium Neptunium Plutonium IB 8 Ni Pd Pt Atomic number Symbol Atomic mass 9 Cu Ag Au 1 IIB 30 Zn Cd Hg 14 Si Silicon 13 IIIA Ga Tl 14 IVA Ge Pb Name 15 VA As 16 VIA In Sn Sb Te I Bi Se Po 17 VIIA Br At 18 VIIIA He Helium B C N O F Ne Boron Carbon Nitrogen Oxygen Fluorine Neon Al Si P S Cl Ar Aluminum Silicon Phosphorus Sulfur Chlorine Argon Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon (09) (10) () Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon 110 Mass numbers in parentheses are those of the most stable or most common isotope. (69) Kr Xe Rn 63 Eu Am 64 Gd Cm 65 Tb Bk 66 Dy Cf 67 Ho Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Es (43) (47) (47) (51) (5) (57) (58) (59) (6) Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium 68 Er 100 Fm 69 Tm 101 Md 70 Yb 10 No 71 Lu 103 Lr Revised October 15, 001