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Key knowledge from lessons so far y8

Quiz by Horia

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62 questions
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  • Q1

    define atomic  number

    the number of protons added to the number of neutrons (bigger number for each element)

    the number of protons (smaller number for each element)

    the number of protons (smaller number for each element)

    30s
  • Q2

    define atomic mass number

    the number of protons added to the number of neutrons (bigger number for each element)

    the number of protons (smaller number for each element)

    30s
  • Q3

    number of neutrons 

    atomic mass number - atomic number

    atomic mass number

    is the atomic number

    atomic mass number - atomic number

    30s
  • Q4

    number of protons

    atomic mass number - atomic number

    atomic mass number

    is the atomic number

    30s
  • Q5

    number of electrons

    is the atomic number

    atomic mass number - atomic number

    atomic mass number

    30s
  • Q6

    where are neutrons located in an atom?

    in the nucleus of an  atom

    in the nucleus of an  atom

    orbiting the nucleus in energy shells

    30s
  • Q7

    where are electrons located in an atom?

    orbiting the nucleus in energy shells

    in the nucleus of an  atom

    30s
  • Q8

    where are protons located in an atom?

    in the nucleus of an  atom

    in the nucleus of an  atom

    orbiting the nucleus in energy shells

    30s
  • Q9

    how many electrons fit maximum in third shell

    6

    8

    2

    4

    30s
  • Q10

    how many electrons fit maximum in first shell

    6

    2

    8

    4

    30s
  • Q11

    how many electrons fit maximum in second shell

    6

    4

    8

    2

    30s
  • Q12

    what is the relative formula mass of a compound?

    the total number of protons and neutrons

    the sum of all the atomic masses of each element

    30s
  • Q13

    what is the relative formula mass shortened to?

    Ar

    Mr

    30s
  • Q14

    what is the relative atomic mass shortened to?

    Ar

    Mr

    30s
  • Q15

    Which group are noble gases found in?

    Group 7

    Group 0

    Group 1

    30s

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