Podcast
Questions and Answers
What is the main characteristic of particles in a solid?
What is the main characteristic of particles in a solid?
Particles in a gas have strong forces of attraction between them.
Particles in a gas have strong forces of attraction between them.
False
What happens to the particles of a solid when it melts?
What happens to the particles of a solid when it melts?
The particles gain speed and move around each other.
A liquid has particles that are mostly ______ with small gaps in between.
A liquid has particles that are mostly ______ with small gaps in between.
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Match the following states of matter with their properties:
Match the following states of matter with their properties:
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What is the first step in the freezing process?
What is the first step in the freezing process?
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In the boiling process, particles overcome the forces of attraction between them.
In the boiling process, particles overcome the forces of attraction between them.
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What happens to the particles during the evaporation process?
What happens to the particles during the evaporation process?
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The process of converting a liquid into a solid is called ______.
The process of converting a liquid into a solid is called ______.
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Match the phase change with its description:
Match the phase change with its description:
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What process describes the direct change of a solid to a gas?
What process describes the direct change of a solid to a gas?
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Deposition is the process where a gas changes directly into a solid.
Deposition is the process where a gas changes directly into a solid.
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Which particles will spread out more quickly, those with a lower mass or those with a higher mass?
Which particles will spread out more quickly, those with a lower mass or those with a higher mass?
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The reaction between ammonia (NH₃) and hydrochloric acid (HCl) produces __________.
The reaction between ammonia (NH₃) and hydrochloric acid (HCl) produces __________.
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Match the following states of matter with their description:
Match the following states of matter with their description:
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What happens to the solubility of a solute as the temperature increases?
What happens to the solubility of a solute as the temperature increases?
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A saturated solution contains less solute than it potentially can hold at a given temperature.
A saturated solution contains less solute than it potentially can hold at a given temperature.
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What is the term for the substance that dissolves in a solution?
What is the term for the substance that dissolves in a solution?
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The formula for determining the maximum mass that will dissolve is: mass of water (g) * _______ (g per 100g) = maximum mass that will dissolve (g).
The formula for determining the maximum mass that will dissolve is: mass of water (g) * _______ (g per 100g) = maximum mass that will dissolve (g).
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Match the following terms with their definitions:
Match the following terms with their definitions:
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What is the primary purpose of simple distillation?
What is the primary purpose of simple distillation?
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Fractional distillation can be used to separate liquids with similar boiling points.
Fractional distillation can be used to separate liquids with similar boiling points.
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What is the role of the fractionating column in fractional distillation?
What is the role of the fractionating column in fractional distillation?
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In chromatography, the value of retardation factor (Rf) is calculated using the formula Rf = $ rac{}{}$
In chromatography, the value of retardation factor (Rf) is calculated using the formula Rf = $ rac{}{}$
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Match the following techniques with their applications:
Match the following techniques with their applications:
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What is the charge of protons?
What is the charge of protons?
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Isotopes of an element have the same number of neutrons?
Isotopes of an element have the same number of neutrons?
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What is the atomic mass of an atom if it has 10 protons and 12 neutrons?
What is the atomic mass of an atom if it has 10 protons and 12 neutrons?
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The term for the average mass of an atom is called __________.
The term for the average mass of an atom is called __________.
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Match the following atomic components with their properties:
Match the following atomic components with their properties:
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Which statement accurately describes a compound?
Which statement accurately describes a compound?
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Mixtures can only be separated by chemical means.
Mixtures can only be separated by chemical means.
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What is the substance left on the filter paper during filtration called?
What is the substance left on the filter paper during filtration called?
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A ______ is a substance made up of one type of atom.
A ______ is a substance made up of one type of atom.
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Match the separation method with its description:
Match the separation method with its description:
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Which of the following properties is NOT associated with metals?
Which of the following properties is NOT associated with metals?
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Non-metals are good conductors of heat.
Non-metals are good conductors of heat.
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What charge do Group 1 ions carry?
What charge do Group 1 ions carry?
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A substance that gains electrons will form a ______ ion.
A substance that gains electrons will form a ______ ion.
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Match the group of ions with their corresponding charge:
Match the group of ions with their corresponding charge:
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What characterizes noble gases?
What characterizes noble gases?
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Metals are located on the right side of the periodic table.
Metals are located on the right side of the periodic table.
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Write the electronic configuration for Magnesium (Mg).
Write the electronic configuration for Magnesium (Mg).
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Group 7 elements are known as __________.
Group 7 elements are known as __________.
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Match the following groups to their descriptions:
Match the following groups to their descriptions:
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What type of bond is formed by the electrostatic attraction between positive and negative ions?
What type of bond is formed by the electrostatic attraction between positive and negative ions?
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An anion is a positively charged ion.
An anion is a positively charged ion.
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What is the charge of a sulfate ion?
What is the charge of a sulfate ion?
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When an atom gains or loses electrons, it becomes an __________.
When an atom gains or loses electrons, it becomes an __________.
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Match the following polyatomic ions with their formulas:
Match the following polyatomic ions with their formulas:
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