Exam (elaborations)
IGCSE CHEMISTRY 0620 CHAPTER 2 PRACTICE QUESTIONS
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COMPOUNDS, ELEMENTS AND MIXTURES1) What are elements
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1) State a fact about the properties of an element
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2) Can an element be broken down?
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3) How are elements represented
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4) What are the ways elements can exist?
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5) What are 3 examples of elements?
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6) What are compounds?
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7) Can compounds be broken down?
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8) How are compounds represented?
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9) State a fact about the properties of a compound
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10) What are molecules?
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11) What are mixtures?
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, 12) What are the 2 types of mixtures? Define them?
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13) What are the differences between mixtures and compounds? Fill
the table!
MIXTURES COMPOUNDS
COMPOSITION
PROPERTIES
MELTING POINT
AND BOILING POINT
PREPERATION
SEPERATION
14) What are diatomic molecules?
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15) What are monoatomic molecules?
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16) What atoms are diatomic?
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ATOMIC STRUCTURE
, 1) What are atoms?
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2) What are the subatomic particles of an atom?
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3) What is the nucleus of an atom?
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4) What are shells of an atoms?
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5) How is relative mass of an atom determined?
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6) How is the atomic number of an atom determined?
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7) What is the unit for an atoms mass?
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8) What is the value of the unit for an atoms mass?
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9) Why is a special unit used to calculate the mass of an atom?
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10) Fill the table
PARTICLE RELETIVE MASS CHARGE
PROTON
NEUTRON
ELECTRON
11) Define proton number!
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