Review Sheet for Grade 10 Science Exam • • • • • • • • • Physical and Chemical Properties and Changes – see section 5.1 o Can you tell the difference between chemical and physical properties? o Can you tell the difference between chemical and physical changes? o When has chemical change occurred? o Questions 2, 3, 5, 7 from 178 Periodic Table – do you understand how it is organized? See section 5.4 o How are periods similar? How are groups similar? o Know the elements we have used in class in addition to the top 20 elements o Can you tell ionic charges from groups in the table? Atomic structure – sub-atomic particles and properties (e-, p+, no) o What determines what an element is? Bohr Rutherford and electron arrangement -o How are electrons arranged in this model? o See questions 2, 3, 4, 5 on 187 Atoms and Ions – see sections 5.5 o Differences between ions and atoms; cations and anions o How to show an ion in symbols; recognize it ? o Questions 2, 3, 4, 5, 6 on 191 Ionic compounds – how to make? See sections 5.6 o Can you recognize metals and non-metals from the periodic table by name and symbol? o Can you identify the ionic charges from the group of elements? o Questions 1, 2, 3, 4 5 on page 195 Naming of ionic compounds – see section 5.7 o Can you use the rules of nomenclature to name ionic compounds? o Writing of chemical formulas of ionic compounds – criss-cross method o Can you go backwards from the name to formula and formula to name? o Naming multivalent ionic compounds – can you recognize metals with multi-valences? o Questions 2, 3, 4, 5, 6, 7, 9 on 200 Polyatomic ion and compounds – see section 5.9 o Can you recognize a polyatomic compound by name and by formula? o How to create an ionic bond with polyatomic ions? o Can you use criss-cross method to create the right formula? o Can you name a polyatomic compound using the rules of nomenclature? o Questions 1, 2, 3, 5, 6, 8, 9, 10, 11 from 205 Molecular or Covalent Bonding -- see section 5.10 o How do the bonds occur? non-metal to non-metal o Can you tell differences between covalent and ionic bond and nomenclature? o Covalently bonded gases at room temperature – diatomic molecules – see list on 208 o Prefix method of nomenclature – can you use to write formula and name and reverse? o Questions 1, 2, 3, 4, • • • • • • • • • • For a general review of chapter 5, see self-quiz section at end of chapter 218-219. Chapter 6 on Chemical Reactions o What are word equations? What are chemical equations? Know terminology and symbols for this… o Questions 1, 2, 3, 4, 5 on 227 Conserving Mass in Chemical Reactions – see section 6.3 o Know the law of conservation of mass and how it is the basis for balancing equations o Questions 1 ,2 on 232 Balancing Equations – section 6.4 o Can you write word equation, then formulas in skeletal, then balanced equation with atom counts? o Questions 2, 3, 4, 5, 6, 7 on 236 Types of Chemical Reactions: Synthesis and Decomposition – see section 6.5 o Can you recognize a synthesis and decomp reaction? o Can you predict the products of these reactions? o Questions 1, 2, 3, 4 on 239 Single and Double Displacement reactions – see section 6.6 o Can you recognize these reactions by word equation and formulaic equations? o Can you predict the products from these reactions? o Questions 2, 3, 5, 7, 8 on 243 Combustion – see section 6.9 o Define what it is? What is incomplete combustion…can you recognize products of both? o Can you recognize it from words and equations? o Questions 2 on 251 See Chapter 6 review on 258 259 questions 1, 3, 5, 7, 9, 11 Acids and Bases o Properties of each; Recognize the names for each; how to name? o Recognize a neutralization reaction (double displacement)—section 7.5 from text o What are the properties of neutralization reactions? o Questions 1 through 5 on 271 o pH in section 7.3 – know how to tell if something is neutral/acid/base o Questions 1, 2 on 281; Self quiz on 296 o Review Unit C questions on 302-303 Climate Change – sections 8.1 through 8.6 o Weather vs climate – section 8.1; Classifying climate – section 8.2 o How the sun powers the climate system -- section 8.3 o Balance of energy on earth – why do we not get warmer? Different scenarios… o Latitude and climate section 8.3 o Components of earth’s climate – section 8.4 o Greenhouse gases – which ones and sources o Energy transfer in atmosphere – convection cells; section 8.8