Question #1 Which part of the periodic table has elements with the least reactivity? Answer: Nobel gases.

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Presentation transcript:

Question #1 Which part of the periodic table has elements with the least reactivity? Answer: Nobel gases

Question #2 What is the difference between Cu(NO 3 ) 2 (s) and Cu(NO 3 ) 2 (aq)? Answer: Solid vs. dissolved in water

Question #3 As you go up a column (bottom to top) in the periodic table, what happens to the size of the elements? Answer: They decrease in size

Question #4 How many different elements are there in the chemical formula for copper sulfate, CuSO 4 (s)? Answer: 3 – Cu, S, and O

Question #5 How many total atoms are there in the chemical formula for copper sulfate, CuSO 4 (s)? Answer: 6 – Cu, S, and 4 O

Question #6 Lithium chloride, LiCl (aq), is added to copper nitrate, CuNO 3 (aq), resulting in a clear liquid, LiNO 3 (aq), and a blue solid. What is the chemical formula of the blue solid? Answer: CuCl 2 (s)

Question #7 How would you write the chemical formula for steam? Answer: H 2 O (g)

Question #8 Which element is in Period 2, Group 5A? Answer: Nitrogen

Question #9 Which element is in Period 5, Group 3A? Answer: Indium

Question #11 To which special group does the element bromine, Br, belong? Answer: Halogens

Question #12 Is silicon (Si) a metal, nonmetal, metalloid or transition metal? Answer: metalloid

Question #13 To which special period does the element neodymium, Nd, belong? Answer: Lanthanides

Question #14 Is boron (B) a metal, nonmetal, metalloid or transition metal? Answer: metalloid

Question #15 Potassium iodide, KI (aq), is added to lead nitrate, Pb(NO 3 ) 2 (aq), resulting in a clear liquid, KNO 3 (aq), and yellow solid. What is the chemical formula of the yellow solid? Answer: PbI 2 (s)

Question #16 Which part of the periodic table has elements with the greatest reactivity? Answer: Bottom left and top right (except noble gases)

Question #17 The majority of the elements on the periodic table are in what phase of matter at room temperature? (solid, liquid, gas) Answer: Solid

Question #18 Name one other element that would have similar properties to the element phosphorus, P. Answer: N, As, Sb, Bi,

Question #19 Name one other element that has properties similar to iodine, I. Answer: He, Ne, Cl, Br, At

Question #20 Is NaOH (aq) an example of an element or a compound? Why? Answer: Compound; it is composed of multiple elements (Na, O, and H)