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What is the definition of an atom?
What is the definition of an atom?
- A combination of protons and neutrons.
- An electrically charged particle.
- A dense, positively charged nucleus surrounded by negatively charged electrons.
- The smallest unit of an element that retains the chemical properties of the element. (correct)
What is the mass number of an atom?
What is the mass number of an atom?
- The number of protons in the atom nucleus.
- The total number of particles in the atom.
- The number of electrons in the atom.
- The sum of protons and neutrons. (correct)
What do atoms consist of?
What do atoms consist of?
- Only positively charged particles.
- An equal number of protons and neutrons.
- A dense, negatively charged nucleus surrounded by positively charged electrons.
- A dense, positively charged nucleus surrounded by negatively charged electrons. (correct)
What is the atomic number of an atom?
What is the atomic number of an atom?
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What is the composition of the atomic nucleus?
What is the composition of the atomic nucleus?
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What is the relationship between mass number and atomic number?
What is the relationship between mass number and atomic number?
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What is the definition of an atom?
What is the definition of an atom?
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What does atomic hybridization refer to?
What does atomic hybridization refer to?
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What does the term 'electrically neutral' mean in relation to atoms?
What does the term 'electrically neutral' mean in relation to atoms?
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