S1 Final Review!

CHAPTER 1 Introduction to physical science

Ch. 1 In the event that a glass beaker breaks during a lab, the first thing you should do is A) wash your hands B) clean up the broken glass C) alert your teacher D) obtain another beaker Answer: C) alert your teacher

Ch. 1 The amount of matter an object contains is its A) length B) mass C) weight D) volume Answer: B) mass

Ch. 1 In an experiment where you change only the temperature, temperature is the A) responding variable B) manipulated variable C) hypothesis D) controlled parameter Answer: B) manipulated variable

Ch. 1 A sample of sulfur has a mass of 12 g and a volume of 6.0 cm 3. What is the density of sulfur? A) 0.5 g/cm 3 B) 2.0 g/cm 3 C) 2.0 cm 3 /g D) 72 g/cm 3 Answer: B) 2.0 g/cm 3

CHAPTER 2 The Nature of Matter

Ch. 2 Chemical energy is the energy A) of temperature B) stored in the bonds between atoms C) of moving, electrically charged particles D) that travels through space as waves Answer: B) stored in the bonds between atoms

Ch. 2 The fact that matter is neither created nor destroyed in any chemical or physical change is called the A) law of exothermic change B) law of endothermic change C) law of thermal change D) law of conservation of matter Answer: D) Law of conservation of matter

Ch. 2 How would you classify the burning of natural gas? A) exothermic chemical change B) endothermic chemical change C) exothermic physical change D) endothermic physical change Answer: A) Exothermic chemical change

Ch. 2 Water is an example of A) an element B) a homogenous mixture C) a compound D) heterogeneous mixture Answer: C) a compound

CHAPTER 3 Solids, Liquids, and Gases

Ch.3 The volume of the gas and the temperature of the gas are _______________ proportional. A) Inversely (one goes up, the other goes down) B) Directly (one goes up, the other goes up) C) Not related D) Always equal Answer: B) Directly (one goes up, the other goes up)

Ch.3 The process by which a gas cools to become a liquid is called: A) Evaporation B) Sublimation C) Boiling D) Condensation Answer: D) Condensation

Ch.3 Within a substance, atoms that collide frequently and move independently of one another are most likely a A) Liquid B) Solid C) Gas D) Crystal Answer: C) Gas

Ch.3 Which state of matter has both definite volume an a definite shape? A) Solid B) Liquid C) Gas D) Plasma Answer: A) Solid

CHAPTER 4 Elements and the Periodic Table

Ch. 4 The atomic number of an atom is determined by the number of A) Protons B) Electrons C) Neutrons D) Isotopes Answer: A) Protons

Ch. 4 Of the following, the group that contains elements that are the most reactive is the A) Alkali metals B) Alkaline Earth Metals C) Carbon Family D) Inert Gases A) Alkali Metals

Ch. 4

What do the elements sulfur (S), phosphorus (P), nitrogen (N) and Bromine (Br) have in common? A) They are noble gases B) They are nonmetals C) They have the same thermal conductivity D) They have the same number of protons Answer: B) They are nonmetals

CHAPTER 5 Atoms and Bonding

Ch. 5 Valence Electrons in an tom are those that: A) Held most loosely B) Of the lowest energy level C) Always easily lost D) Never easily lost Answer: A) Held most loosely

Ch. 5 A covalent bond in which electrons are share unequally is a A) double bond B) triple bond C) Polar bond D) nonpolar bond Answer: C) Polar bond

Ch. 5 What charge do the noble gas ions make? A) +1 B) – 1 C) +2 D) They do not make ions Answer: D) They do not make ions

Ch. 5 The element boron is directly above aluminum on the periodic table. Which statement about boron is true? A) Boron is in the same period as aluminum and has 2 valence electrons. B) Boron is in the same group as aluminum and has 2 valence electrons C) Boron is in the same period as aluminum and has 3 valence electrons D) Boron is in the same group as aluminum and has 3 valence electrons Answer: D) Boron is in the same group as aluminum and has 3 valence electrons

CHAPTER 6 Chemical Reactions

Ch. 6 Name the 3 different types of reactions. Answer: Synthesis, replacement, decomposition

Ch. 6 Is the following equation balanced? Cu 2 O + C  4Cu + CO 2 Answer: NO!

Ch. 6 What type of a reaction is this? FeS + 2HCl  FeCl 2 + H 2 S Answer: Replacement

Ch. 6 What type of a reaction is this? 2H 2 O  2H 2 + O 2 Answer: Decomposition

CHAPTER 7 Acids & Bases

Ch. 7 What is the range of pHs for an acid? What about for a base? Answer: 0-7 for acid, 7-14 for base

Ch. 7 Name 3 properties of acids Sour taste, corrosive, reacts with metal, turns blue litmus paper red

Ch. 7 Name 3 properties of base Slippery, corrosive, bitter taste, etc.

Ch. 7 Name 1 thing in your house where I can find acid. Name another thing in your house where I can find a base. Acid: Fruits & vegetables, soda, food Base: Soap, shampoo, cleaning products