
Chemical Bonding
Quiz by edel kinsella
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17 questions
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- Q1What is a compound?A substance made up of two or more different elements combined together chemically.A single type of atomA group of molecules without chemical bondsA charged atom or group of atoms30s
- Q2What does the Octet Rule state?Atoms will always have two electrons in their outer shellAtoms tend to reach an electron arrangement with eight electrons in the outermost shell.Atoms lose all their electrons when bondingAtoms can have any number of electrons at the outer shell30s
- Q3What is an ion?A charged atom or group of atoms.A type of chemical bondA stable moleculeA neutral element30s
- Q4What characterizes an ionic bond?A force that repels like chargesA covalent bond between two identical atomsThe sharing of electrons between atomsThe force of attraction between oppositely charged ions in a compound.30s
- Q5Which statement is true about transition metals?They do not conduct electricityThey form at least one ion with a partially filled d sublevel.They can only exist in gaseous stateThey only form cations30s
- Q6What is a molecule?A mixture of different compoundsA group of atoms joined together.An ionic bond between two atomsA single atom30s
- Q7How is valency defined?The atomic mass of an elementThe total number of electrons in an atomThe number of atoms of hydrogen or any other monovalent element with which each atom of the element combines.The strength of a chemical bond30s
- Q8What does electronegativity refer to?The number of protons in a nucleusThe relative attraction that an atom in a molecule has for the shared pair of electrons in a covalent bond.The size of an atomThe energy required to break a bond30s
- Q9What are Van der Waals forces?Magnetic attractions between different elementsWeak attractive forces between molecules resulting from the formation of temporary dipoles.Strong ionic bondsCovalent bonds between identical atoms30s
- Q10What characterizes hydrogen bonds?Attractions between molecules where hydrogen is bonded to nitrogen, oxygen, or fluorine, forming a bridge to another electronegative atom.Repulsive forces between hydrogen and non-metalsStrong covalent bonds between hydrogen and any atomIonic attractions between hydrogen and other ions30s
- Q11What is the Octet Rule?Atoms prefer to have an even number of protons.Atoms tend to reach an electron arrangement with eight electrons in the outermost shell.Atoms must have exactly 10 electrons in total.Atoms gain or lose electrons randomly.30s
- Q12What is an ionic bond?The force of attraction between oppositely charged ions in a compound.A weak bond between molecules.A bond that involves only one type of atom.A bond formed by the sharing of electrons.30s
- Q13What are Van der Waals forces?Weak attractive forces between molecules resulting from the formation of temporary dipoles.Permanent attractions between all molecules.Strong bonds formed by electron sharing.Forces that only exist in solids.30s
- Q14What is electronegativity?The volume of space occupied by an atom.The charge of an ion.The mass of an atom in a molecule.The relative attraction that an atom in a molecule has for the shared pair of electrons in a covalent bond.30s
- Q15What are hydrogen bonds?A type of ionic bond.Weak forces present in all compounds.Strong covalent bonds only between hydrogen atoms.Particular types of dipole-dipole attractions between molecules where hydrogen is bonded to nitrogen, oxygen, or fluorine.30s