Atomic Theory of Matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is Carbon Dioxide an example of? | a compound
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| What is glucose an example of? | a chemical
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| What is titanium an example of? | an element
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| What would the chemical combination of Atom A with Atom B result in? | a molecule AB
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| What can be separated into simpler parts by physical means? | salt water
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| What is nitrogen an example of? | an element
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| What is magnesium an example of? | an element
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| Name 3 examples mixtures can be separated? | evaporation, filtering and magnetic separation
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| Which of the following is the heaviest? electron, proton, nucleus or neutron | nucleus
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| What series of activities would you use to separate swadust, water and iron fillings? | evaporation, then use a magnet
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| Does a proton, neutron or electron have a negative charge? | electron
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| What does orbitals contain? | a few fast-moving electrons
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| Is the nucleus of an atom always positively or negatively charged? | positively charged
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| Which has a greater atomic mass, Hydrogen or Neon? | Neon
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| What two elements make up water? | Hydrogen and Oxygen
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| What two elements make up ammonia? | nitrogen and hydrogen
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| What is salt an example of? | a compound
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| How many different elements are in this substance of methane, CH4? | two
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| What is an element? | the simplest form of matter
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| What is water an example of? | a compound
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| If propane has three carbon atoms and eight hydrogen atoms, what is the chemical formula? | C3H8
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| What is a substance? | two compounds joined by physical means
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| What best describes a substance? | a mixture
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| How do elements combine to form a compound? | elements always combine in specific ratios
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| How are the properties of elements related to the properties of the compounds they make? | the properties of the compound are completely different than the properties of the elements
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| The formula for glucose is C6H12O6. How many atoms are present in the glucose compound? | 24
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| What is an example of a homogeneous mixture? | nitrogen gas and oxygen gas
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| What is a compound? | a pure substance containing elements that are chemically combined
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| What is a heterogeneous mixture? | it contains 2 or more types of particles which are easily distinguished
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| What is an example of a heterogeneous mixture? | a salad
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| Do carbon monoxide(CO) and carbon dioxide(CO2)have different properties? Why? | yes, because they contain the same elements in different quantities
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| What is the best example of a pure substance? | gold
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| What best describes the resulting compound when elements chemically combine? | it has different properties from the uncombined elements
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| Mixtures can be separated by physical means. What is NOT a way to separate mixtures? | stirring
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| What is glucose an example of? | compound
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| Which chemical compound contains the greater number of nitrogen (N) atoms? NH4NO3 or (NH4)3PO4 | (NH4)3PO4
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| What has been created when you combine salt and water together? | a solution
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| What is true about the compounds carbon monoxide (CO) and carbon dioxide (CO2? | they have different properties because they contain the same elements in different quantities
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| How can scientists identify an element? | by looking at the structure of a single atom
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| What substance is held together by chemical bonds? | compounds
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| What is the compound potassium sulfate, K2SO4, composed of? | 2 atoms of potassium, 1 atom of sulfur, and 4 atoms of oxygen
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