Question

iron (IV) oxide What is the correct formula for cobalt(I) chloride? CoCl2 Coci3 Созсі 2 What is the correct formula for iodine monochloride? ICI2 12C1 ICI MS A chemical reaction that gives off energy in the form of heat is considered_ exothermic endothermic exergonic Due to periodicity, which element would you expect to behave most like sodium?" dium 45 calcium aluminum potassium As you move down a group of elements (family), the number of valence electrons increases B. stays the same. C. increases and then decreases. V 34. Which of the following elements have a tendency to gain electrons? 47 A. B. C. CIO, F N, O, AI CI, F, Ga 35. A is an experimental set-up that can be used to measure the heat of a che or a physical change and determine the specific heat capacity of a substance. A. manometer

Answer 1

29. 30. B) CoCl3 ) ICI 31. A) exothermic 32. 33. c) potassium B) stays the same 34. A). C1,0, F