| Question | Answer |
| What is an element?? | Each of more than one hundred substances that cannot be chemically inter converted or broken down into simpler substances. |
| What is a mixture?? | Two elements that are not chemically bonded that are mixed together. |
| What is a compound?? | Something that is composed of two or more substances. |
| What is made of a pure substance?? Mixtures, Elements, or Compounds | Elements |
| TRUE OR FALSE: The constituents of a mixture do not keep their original properties. | False |
| Which of these is an impure substance made up of two or more types of atoms or elements?
Mixtures, Elements, or Compounds | Mixtures |
| Copper sulfate solution can be further subdivided into simpler substances by physical (mechanical) means. So, it is a:
Mixture, Element, or compound | Mixture |
| H2O and FeS represent a mixture element or compound?? | Compound |
| Which of the following is a compound?
Sodium Sulfide
Sodium or
Sodium Solfide Solution | Sodium Sulfide |
| Which of the these is a pure substance made up of two or more types of atoms or elements?
Mixtures, Elements, or Compounds | Compound |
| Oxygen cannot be further subdivided into simpler substances by any physical or chemical means. So it is an...
Mixture, Element or Compound | Element |
| Which of these is the smallest part of a compound, whose properties are the same as those of the compound?
Mixture, Element, Compound, or Molecule | Molecule |
| Can compounds be separated?? | Yes |
| Mixtures can be separated. Which of the following represents a way a mixture cannot be separated?
Filtration, Distillation, or Heating | Distillation |
| Which of these is not a mixture?
Cereal and Milk, Kool-aid, Water, or Fruit Salad | Water |