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Questions and Answers
Which type of substances are made up of only one type of atom?
Which type of substances are made up of only one type of atom?
- Compounds
- Elements (correct)
- Mixtures
- Solutions
How many known elements are there currently?
How many known elements are there currently?
- 103
- 92
- 118 (correct)
- 134
Which type of properties can be observed without changing the substance into another substance?
Which type of properties can be observed without changing the substance into another substance?
- Physical properties (correct)
- Chemical properties
- Both physical and chemical properties
- None of the above
Which type of properties can be observed when the substance undergoes a change in its composition?
Which type of properties can be observed when the substance undergoes a change in its composition?
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