BackWhich of the following statements correctly describes a solution?
a. In a solution the solute is chemically dissolved by the solvent.
b. Solutions involve large particles suspended in another component.
c. The particles in a solution will settle out if left to sit.
d. The amount of solute in a solution is expressed as the solution's concentration.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The mass number of an atom is the sum of its neutrons and protons.
Match the following terms with the correct definition:
_____Endergonic reaction a. Energy in motion
_____Potential energy b. Energy stored in chemical bonds
_____Electrical energy c. Reaction that consumes energy
_____Anabolic reaction d. A decomposition reaction
_____Oxidation-reduction reaction e. The energy of moving charged particles
_____Chemical energy f. Stored energy
_____Catabolic reaction g. Synthesis reaction
_____Kinetic energy h. Reaction where electrons are transferred between reactants
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. Protons and neutrons have a positive charge and electrons have a negative charge.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
c. Valence electrons are the electrons in the outermost shell of an atom.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Every element has a characteristic number of protons, which is called the element's mass number.