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They have the same number of protons
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Which term best describes neon?
element
What best describes the motion on iron atoms in solid iron?
Kinetic energy best describes the motion of the particles in a piece of steel.
Which best describes a kinetic theory?
atoms and molecules are always moving
What terms best describes the nucleus of a radioactive element?
unstable
Which best describes the definition of the atomic mass of an element?
it is the weighted average of the masses of an element's isotopes.
Which term best describes neon?
element
What best describes the meaning of the mathematical word element?
An element is an item that belongs to a set.
What best describes the motion on iron atoms in solid iron?
Kinetic energy best describes the motion of the particles in a piece of steel.
Which best describes a kinetic theory?
atoms and molecules are always moving
Which word best describes a particular and successful approach for collecting outstanding invoices?
The word that best describes a particular and successful approach for collecting outstanding invoices is debt collection.
What terms best describes the nucleus of a radioactive element?
unstable
Which best describes the definition of the atomic mass of an element?
it is the weighted average of the masses of an element's isotopes.
Which best describes the definition for the atomic mass of the element?
it is the weighted average of the masses of an element's isotopes.
Which best describes the definition for the atomic mass of an element?
it is the weighted average of the masses of an element's isotopes.
Which is a property of all atoms?
Which of these is always true of atoms? protons, electrons AND neutrons are always equal in number they are always bonded to another atom they always have a charge they are always neutral in elements
What best describes a radioisotope?
its nucleus is unstable
What best describes what the ionization of an element is?
The energy required to remove an electron
