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Vocabulary
Isotopes
Bonding
Subatomic Particles
Periodic Table
100
An atom.
What is the smallest particle of an element that retains its properties?
100
An isotope.
What is a variation of an atom with a different number of neutrons?
100
An interaction which joins two or more atoms together.
What is a chemical bond?
100
The dense center of an atom.
What is a nucleus?
100
The Periodic Table of Elements
What is a table showing all the known elements with a certain arrangement?
200
A molecule.
What is a combination of elements formed by a covalent bond?
200
Atomic Mass
What is the sum of the protons and neutrons in an atom.
200
A bond formed when atoms share electrons.
What is a covalent bond?
200
A positively charged subatomic particle.
What is a proton?
200
Periods of the periodic table.
What is a horizontal row of the periodic table, with a periodic pattern.
300
Atomic Number
What is the number of protons within an atom?
300
The expanded form of an isotope name (sequence of word/characters).
What is chemical name, hyphen, and mass number?
300
A bond formed when atoms gain or lose electrons.
What is an ionic bond?
300
A subatomic particle with a negative charge.
What is an electron?
300
Groups of the periodic table.
What is a vertical column of elements, grouped by similar physical and chemical properties.
400
An electron cloud/layer.
What is a layer of electrons within an atom which can only hold a certain number of electrons?
400
The shorthand form of an isotope name (Sequence of characters).
What is mass number in superscript, followed by chemical symbol?
400
A bond formed when electron clouds overlap.
What is a metallic bond?
400
A subatomic particle with no charge.
What is a neutron?
400
Chemical Symbol.
What is the one, two, or three letter abbreviated name for an element.
500
Atomic Number.
What is the amount of protons in an atom?
500
An atom of hydrogen with 1 neutron. (Atomic Number 1)
What is Hydrogen-2?
500
The types of elements which typically form a covalent bond.
What are nonmetals?
500
The electrons in the outermost electron layer of an atom.
What are valence electrons?
500
Average Atomic Mass.
What is the weighted average for the mass of an element, accounting for the abundance of isotopes in the natural world.