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Questions and Answers
What is the definition of a molecule?
What is the definition of a molecule?
- A group of two or more atoms or ions held together by attractive forces
- Any gaseous particle regardless of its composition
- A single atom connected by non-covalent interactions
- A group of two or more atoms held together by attractive forces (correct)
What distinguishes a heteronuclear molecule?
What distinguishes a heteronuclear molecule?
- It is a chemical compound composed of more than one element (correct)
- It consists of atoms of one chemical element
- It consists of ions instead of atoms
- It is any gaseous particle regardless of its composition
In the kinetic theory of gases, how is the term 'molecule' often used?
In the kinetic theory of gases, how is the term 'molecule' often used?
- For individual noble gas atoms
- For any gaseous particle regardless of its composition (correct)
- For atoms connected by non-covalent interactions
- For ions satisfying the criterion of chemical bonds
How is a homonuclear molecule defined?
How is a homonuclear molecule defined?
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What do atoms and complexes connected by non-covalent interactions typically NOT form?
What do atoms and complexes connected by non-covalent interactions typically NOT form?
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What is the primary reason that humans cannot see atoms with conventional microscopes?
What is the primary reason that humans cannot see atoms with conventional microscopes?
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What is the main factor that distinguishes one chemical element from another?
What is the main factor that distinguishes one chemical element from another?
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What is the term used to describe atoms with the same number of protons but a different number of neutrons?
What is the term used to describe atoms with the same number of protons but a different number of neutrons?
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What is the term for an atom that has more electrons than protons and has an overall negative charge?
What is the term for an atom that has more electrons than protons and has an overall negative charge?
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Where is more than 99.94% of an atom's mass located?
Where is more than 99.94% of an atom's mass located?
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