Chemical Bonding – More Practice – Flashcards

Which statement correctly explains how magnesium and chlorine combine to form magnesium chloride? (Draw it out if you need to!) Result: 1.00 of 1.00 Your answer: A Cl atom donates two electrons to a Mg atom An Mg atom donates two electrons to a Cl atom. A Cl atom donates one electron to each of the two Mg atoms. An Mg atom donates one electron to each of the two Cl atoms.

Which nonmetal would an ion of Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio? (A 1:1 ratio means that for every one atom of calcium there will be one atom of ______. Which of the choices has an oxidation number of 2-? You can do it!) Result: 1.00 of 1.00 Your answer: one atom of neon one atom of carbon one atom of oxygen one atom of fluorine

In ____________, electrons are gained by atoms and lost by others. Result: 1.00 of 1.00 Your answer: polyatomic bonds covalent bonds metallic bonds ionic bonds

Which type of element typically loses an electron to become an ion? Result: 1.00 of 1.00 Your answer: gas metal nonmetal metalloid

When magnesium (Mg2+) and fluorine (F1-) combine in an ionic bond, the resulting formula will be Result: 1.00 of 1.00 Your answer: Mg2F. Mg2F2 MgF. MgF2.

___________ are bonds in which valence electrons are shared. Result: 1.00 of 1.00 Your answer: Ionic bonds Atomic bonds Covalent bonds Hydrogen bonds

Which of the following occurs during covalent bonding? Result: 1.00 of 1.00 Your answer: electrons are gained only electrons are lost only electrons are shared electrons are gained and lost

The element calcium has 2 valence electrons. What is the most likely charge on a calcium ion? Result: 1.00 of 1.00 Your answer: 2+ 2- 6- 6+

An electron dot diagram (lewis dot structure) shows an atom's number of Result: 1.00 of 1.00 Your answer: protons. electrons. valence electrons. chemical bonds.

When an atom loses or gains electrons, it becomes a (n) Result: 1.00 of 1.00 Your answer: ion. crystal. formula. subscript.

The oxidation number of chlorine is Result: 1.00 of 1.00 Your answer: 1- 1+ 7- 7+

Which of the following is a stable molecule formed when atoms share electrons? Result: 1.00 of 1.00 Your answer: F2 NaCl KBr CaCl2