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Questions and Answers
What is the best definition of an element?
What is the best definition of an element?
- A substance made up of many types of atom, where all the atoms are the same
- A substance made up of the most complicated atoms
- A substance made up of only one type of atom (correct)
- A substance made up of different atoms bonded together
Which statement about elements is TRUE?
Which statement about elements is TRUE?
- Elements are made up of many types of atoms
- Elements are the most complicated substances in the universe
- An element is a substance made up of one type of atom (correct)
- All of the atoms in an element are different
Select the INCORRECT statement about elements.
Select the INCORRECT statement about elements.
- Elements are the simplest substances in the universe
- Elements are made up of many types of atoms (correct)
- All of the atoms in an element are the same
- Copper, carbon, hydrogen, and iron are all examples of elements
What shows all the elements ever discovered?
What shows all the elements ever discovered?
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How have scientists ordered new elements over time?
How have scientists ordered new elements over time?
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Why does frozen water (ice) feel solid?
Why does frozen water (ice) feel solid?
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What happens to the particles in a solid when it melts?
What happens to the particles in a solid when it melts?
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What process is involved when a liquid changes to a gas?
What process is involved when a liquid changes to a gas?
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Which of the following accurately describes the particles when a solid melts?
Which of the following accurately describes the particles when a solid melts?
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Why does liquid water feel runny?
Why does liquid water feel runny?
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What are the three states of matter?
What are the three states of matter?
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