Podcast
Questions and Answers
The word atom comes from the Greek word atomos, meaning '_____.'
The word atom comes from the Greek word atomos, meaning '_____.'
indivisible
Protons carry a positive electrical charge, while neutrons carry no electrical charge. Together, protons and neutrons are called ______.
Protons carry a positive electrical charge, while neutrons carry no electrical charge. Together, protons and neutrons are called ______.
nucleons
Every atom is associated with a specific ______ element.
Every atom is associated with a specific ______ element.
chemical
An atom is the smallest unit of an ______.
An atom is the smallest unit of an ______.
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The ancient Greeks were the first to think of the atom as the basic unit of all ______.
The ancient Greeks were the first to think of the atom as the basic unit of all ______.
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Hydrogen has an atomic number of ______ because every hydrogen atom has one proton in its nucleus.
Hydrogen has an atomic number of ______ because every hydrogen atom has one proton in its nucleus.
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The mass number is equal to the total number of protons and ______ in an atom.
The mass number is equal to the total number of protons and ______ in an atom.
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Atoms that have the same atomic number but different mass numbers are called ______.
Atoms that have the same atomic number but different mass numbers are called ______.
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An ordinary atom has an equal number of protons and ______.
An ordinary atom has an equal number of protons and ______.
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If a neutral atom loses an electron, it becomes a ______ ion.
If a neutral atom loses an electron, it becomes a ______ ion.
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