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WorksheetsCH 2.1 & 2.2 Vocabulary
Total questions: 22
Worksheet time: 11mins
What is the attraction between a hydrogen atom with a partial positive charge and another with a partial negative charge?
Cohesion
Adhesion
Hydrogen bond
Ionic bond
Which term describes the substance in which the solute dissolves?
Solvent
Solute
Suspension
Mixture
What is the attraction between molecules of the same substance called?
Adhesion
Cohesion
Ionic bond
Covalent bond
What is a material composed of two or more elements or compounds that are physically mixed together but not chemically combined?
Solution
Mixture
Compound
Solvent
What is the term for a compound that produces hydroxide ions (OH-) in solution?
Acid
Base
Solvent
Buffer
mixture of water and nondissolved materials
weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH
Buffer
the substance that is dissolved
attraction between molecules of a different substance
all of the components are evenly dispersed throughout
any compound that releases hydrogen ions (H+) in solution
a measurement system used to indicated the concentration of H+ ions in solution
acid scale
What is the basic unit of matter?
Atom
Molecule
Ion
Compound
What is a bond formed when atoms share electrons?
Ionic bond
Covalent bond
Hydrogen bond
van der Waals forces
What is a negatively charged particle that is in constant motion around the nucleus of an atom?
Proton
Neutron
Electron
Ion
What is the center of an atom that contains protons and neutrons?
Electron cloud
Nucleus
Ion
Molecule
What is a substance formed by the chemical combination of two or more elements in definite proportions?
Mixture
Solution
Compound
Suspension
atoms of the same element that have a different number of neutrons
a bond formed when one or more electrons is transferred from one atom to another
a slight attraction between molecules when they are very close together
the structure that rests when two or more atoms are joined by covalent bonds
an atom involved in an ionic bond that has either gained or lost electrons
