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Questions and Answers
What is the location of a neutron in an atom?
What is the location of a neutron in an atom?
In the periodic table, elements in the same group have the same number of electron shells.
In the periodic table, elements in the same group have the same number of electron shells.
False
Who organized the first periodic table?
Who organized the first periodic table?
Dimitri Mendeleev
The relative charge of a proton is ______.
The relative charge of a proton is ______.
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Match the following particles with their characteristics:
Match the following particles with their characteristics:
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Which element has the chemical symbol 'O'?
Which element has the chemical symbol 'O'?
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Helium can be divided into simpler substances by a chemical process.
Helium can be divided into simpler substances by a chemical process.
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What is the smallest particle into which an element can be divided without losing its properties?
What is the smallest particle into which an element can be divided without losing its properties?
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The chemical symbol for Sodium is ______.
The chemical symbol for Sodium is ______.
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Match the following elements with their chemical symbols:
Match the following elements with their chemical symbols:
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What unit is used to measure radiation?
What unit is used to measure radiation?
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The Atomic Mass (RAM) is defined as the average mass of a molecule compared to the mass of one atom of carbon-12.
The Atomic Mass (RAM) is defined as the average mass of a molecule compared to the mass of one atom of carbon-12.
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What is the RAM of chlorine based on its isotopes?
What is the RAM of chlorine based on its isotopes?
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RMM stands for ______.
RMM stands for ______.
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Match the following terms with their definitions:
Match the following terms with their definitions:
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What type of bonding occurs only between metals?
What type of bonding occurs only between metals?
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Covalent bonding can occur between metals.
Covalent bonding can occur between metals.
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What type of bonding is characterized by the transfer of electrons?
What type of bonding is characterized by the transfer of electrons?
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A _____ bond occurs between nonmetals to form a molecule.
A _____ bond occurs between nonmetals to form a molecule.
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Match the type of bonding with its description:
Match the type of bonding with its description:
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What type of bond occurs between metals and nonmetals?
What type of bond occurs between metals and nonmetals?
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Compounds are formed only from atoms of the same type.
Compounds are formed only from atoms of the same type.
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What is the charge of the cations formed from metals during ionic bonding?
What is the charge of the cations formed from metals during ionic bonding?
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In ionic bonding, nonmetals gain __________ to form anions.
In ionic bonding, nonmetals gain __________ to form anions.
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According to the law of triads, how are elements organized?
According to the law of triads, how are elements organized?
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Protium, deuterium, and tritium are all isotopes of the same element.
Protium, deuterium, and tritium are all isotopes of the same element.
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What is a radioactive isotope used to treat thyroid problems?
What is a radioactive isotope used to treat thyroid problems?
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Radioactivity is the spontaneous disintegration of larger unstable atomic nuclei due to the emission of ______.
Radioactivity is the spontaneous disintegration of larger unstable atomic nuclei due to the emission of ______.
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Match the following radioactive isotopes with their uses:
Match the following radioactive isotopes with their uses:
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Study Notes
Atomic Structure
- Atoms - The smallest particle into which an element can be divided without losing any of the properties of that element
- Element - A pure substance that cannot be divided into any simpler substances by any chemical process
Subatomic Particles
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Proton - +1 charge, relative mass of 1
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Electron - -1 charge, relative mass of 0
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Neutron - 0 charge, relative mass of 1
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Number of electrons = atomic number
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Number of neutrons = mass number - atomic number
Groups and Periods
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Group - A vertical column that contains elements with the same number of electrons in the valence or outermost shell
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Period - A horizontal row that contains elements with the same number of electron shells
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Group 1 - Alkali Metals
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Group 2 - Alkali Earth Metals
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Group 7 - Halogens
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Group 8 - Noble Gases (inert gases)
Historical Development of Periodic Table
- Developed by Dmitri Mendeleev
- Organized the elements
- Identified patterns
- Predicted properties
- Classified and arranged
- Withstood the test of time
- Listed elements in order of increasing atomic mass
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Description
This quiz focuses on the fundamental concepts of atomic structure, subatomic particles, and the organization of the periodic table. It covers the characteristics and classifications of elements, including groups and periods, as well as historical developments in the field. Test your knowledge and understanding of these crucial topics in chemistry!
