Flashcards - Basics of the Periodic Table

Flashcards - Basics of the Periodic Table
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metalloids
A metalloid is any chemical element which has properties in between those of metals and nonmetals, or that has a mixture of them
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covalent bond
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms
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ionic compound
In chemistry, an ionic compound is a chemical compound comprising ions held together by electrostatic forces termed ionic bonding
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nucleus
In cell biology, the nucleus is a membrane-enclosed organelle found in eukaryotic cells
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atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element
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element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
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Alkaline earth metals
The alkaline earth metals are six chemical elements in column 2 of the Periodic table
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Alkaline earth metals
The alkaline earth metals are six chemical elements in column 2 of the Periodic table
element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element
nucleus
In cell biology, the nucleus is a membrane-enclosed organelle found in eukaryotic cells
ionic compound
In chemistry, an ionic compound is a chemical compound comprising ions held together by electrostatic forces termed ionic bonding
covalent bond
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms
metalloids
A metalloid is any chemical element which has properties in between those of metals and nonmetals, or that has a mixture of them
amu
The unified atomic mass unit or dalton is the standard unit that is used for indicating mass on an atomic or molecular scale
neutron
The neutron is a subatomic particle, symbol n or n0, with no net electric charge and a mass slightly larger than that of a proton
noble gases
The noble gases make a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity
Nonmetal elements
In chemistry, a nonmetal is a chemical element that mostly lacks metallic attributes
halogens
The halogens or halogen elements are a group in the periodic table consisting of five chemically related elements: fluorine , chlorine , bromine , iodine , and astatine
subatomic particles
In the physical sciences, subatomic particles are particles much smaller than atoms
chalcogens
The chalcogens are the chemical elements in group 16 of the periodic table
diatomic molecules
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements

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