Bonding Review Grade:«grade» Subject: «subject» Date: «date»

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Transcript of Bonding Review Grade:«grade» Subject: «subject» Date: «date»

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Bonding Review Grade:grade Subject: subject Date: date Slide 2 1 An atom that has lost or gained electrons is called a ______________ A Proton B Ion C Alloy D Dipole Slide 3 2 Any bond formed by two oppositely charged atoms is called a ________ A Polar bond B Non-Polar bond C Covalent bond D Ionic bond Slide 4 3 An atom that has lost electrons has a(n) ____________________ charge A None B Neutral C Positive D Negative Slide 5 4An atom that has gained electrons will have a(n) ___________________ A None B Neutral C Positive D Negative Slide 6 5 A(n) _____________________is the attraction between 2 oppositely charged atoms. A Ionic bond B Covalent bond C Ionic crystal D Covalent compound Slide 7 6 A(n) _____________________is the bond formed when 2 elements share electrons. A Metallic bond B Ionic bond C Covalent bond D Alloy bond Slide 8 7 When one side of a molecule is slightly positive and one side is slightly negative, the resulting molecule is called a(n) __________. A Dipole B Ion C Alloy D Nonpole Slide 9 8 When the electronegatives of 2 atoms in a molecule are not equal a(n) _____________molecule is formed A Non-polar B Polar C Metallic D Ionic Slide 10 9 A chemical bond in which atoms are held together by their attraction to a common pool of electrons is a called a(n)______________. A Ionic bond B Covelent bond C Metallic bond Slide 11 10 From where on the periodic table do atoms that form ionic bonds come A Far left B Far right C Middle D both a and b Slide 12 11 What type of atoms commonly form covalent bonds? A Far left B Far right C Adjacent Metals (middle of table) D Adjacent Non-metals (upper right corner) Slide 13 12 In a tug of war analogy of a covalent bond, the rope represents the_________________. A atoms B electrons C electronegativity of the atoms D protons Slide 14 13 In a tug of war analogy of a covalent bond, the people represent the _____________. A atoms B electrons C electronegativity of the atoms D protons Slide 15 14 In a tug of war analogy of a covalent bond, the strength of the people represent the_________. A atoms B electrons C electronegativity of the atoms D protons Slide 16 15NaCl is a ______________________. A Metal B Ionic compound C Covalent compound Slide 17 16H20 is a ___________________________. A Metal B Covalent compound C Ionic compound Slide 18 17 __________________do not easily form bonds because they are very stable due to having a full outer shell. A Halogens B Alkali Metals C Alkali Earth Metals D Noble gases Slide 19 18 When water boils bonds are broken between hydrogen and oxygen within the molecules. A True B False Slide 20 19 The ability of an atom to attract a bonding pair of electrons is called electronegativity. A True B False Slide 21 20Carbon has __ valence electrons. A 1 B 2 C 3 D 4 Slide 22 21Carbon likes to form ___bonds. A 1 B 2 C 3 D 4 Slide 23 22 Suppose oxygen gains 2 electrons to become an oxygen ion.. What is the charge? A +2 B -2 C Does not change D Not enough information Slide 24 23 Suppose Sodium looses 3 electrons to become an sodium ion.. What is the charge? A +3 B -3 C Does not change D Not enough information Slide 25 24Atoms are composed of molecules A True B False Slide 26 25Molecules are composed of atoms A True B False Slide 27 26Cells are composed of molecules. A True B False Slide 28 27Atoms are composed of cells. A True B False Slide 29 28Atoms are composed of sub-atomic particles. A True B False Slide 30 Answer Key 1.B 2.D 3.C 4.D 5.A 6.C 7.A 8.B 9.C 10.D 11.D 12.B 13.A 14.C 15.B 16.B 17.D 18.B 19.A 20.D 21.D 22.B 23.A 24.B 25.A 26.A 27.B 28.A