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14 June, 10:08

Read the false statement. There are 18 periods in the periodic table. Which answer choice rewords the false statement so it is true?

a. There are 18 elements in each period of the periodic table.

b. There are 18 groups in the periodic table.

c. There are 8 periods in the periodic table.

d. There are 8 elements in each group of the periodic table.

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  1. 14 June, 10:58
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    C

    Explanation:

    On the periodic table, there are 8 periods. The periods are the horizontal bands on the periodic table. There are two distinct bands on the modern periodic table. These are the horizontal and the vertical bands. While the vertical bands are for the groups, the horizontal bands are for the periods.

    There are 8 distinct horizontal bands on the periodic table. Although there are usually two bands which are placed beneath the last band on the periodic table. It must be noted that these bands are part of the main group elements. It is only a similarity in property on their path that make them positioned there.

    For two elements to be in the same period in the periodic table however, it is expected that they have the same number of electron shells.

    For example, hydrogen and helium are placed in period one because they only have the K shell of electrons
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