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Study
8th Sci Unit 7
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What are these elements? N, Na, Si
Nitrogen, Sodium, Silicon
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Match the element to its symbol. Calcium, carbon, copper, cobalt. C, Ca, Co, Cu
Carbon - C, Calcium - Ca, Cobalt - Co, Copper - Cu
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What is a column in the Periodic Table?
A group
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What are the symbols for these elements? Magnesium, oxygen, and hydrogen
Mg, O, H
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What's the name for the compound containing calcium, carbon, and oxygen?
Calcium carbonate
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What is the tiniest particle of an element that can exist?
An atom
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Which are elements and which are compounds?
Elements - sodium, carbon, hydrogen; Compounds - water, sulfur dioxide
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What is a substance made up of only one type of atom?
An element
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Which element is found in three of these substances?
Oxygen (O)
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What is a group of atoms bonded tightly together?
A molecule
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Element or Compound? Atoms or Molecules
A is atoms of an element, B is molecules of a compound
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Name the metal found in one of these substances.
Magnesium (Mg)
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Element or Compound? Atoms or Molecules?
C is molecules of an element; D is molecules of a compound
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What is the difference between a molecule of carbon dioxide and a molecule of carbon monoxide?
Carbon dioxide has 2 oxygen atoms and carbon monoxide has 1 oxygen atom.
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Which elements are found in the compound aluminium sulfate?
Aluminium, sulfur, and oxygen
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What is a row in the Periodic Table?
A period
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What is a substance made up of more than one kind of atom bonded together?
A compound
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What is the name for the compound containing potassium and chlorine?
Potassium chloride
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How many of each atom is found in these substances?
Based on the numbers
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