Fill in the blank: The Periodic Table arranges elements in order of their increasing ___ number. | Card: 3 / 30 |
True or False: Mendeleev's Periodic Law did not account for the position of isotopes. | Card: 5 / 30 |
Anomalies included the position of hydrogen, rare earths, isotopes, noble gases, anomalous pairs of elements, and the cause of periodicity. | Card: 8 / 30 |
Fill in the blank: The horizontal rows in the Periodic Table are referred to as ___ . | Card: 9 / 30 |
Vertical columns group elements.
| Card: 12 / 30 |
A group is defined by the number of electrons present in the outermost shell of the elements. | Card: 14 / 30 |
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Fill in the blank: The sixth period of the periodic table contains ___ elements. | Card: 19 / 30 |
The energy required to remove an electron from a neutral atom is known as ___ energy. | Card: 25 / 30 |
Fill in the blank: The tendency of an atom to attract shared electrons in a molecule is referred to as its ___. | Card: 27 / 30 |
Riddle: I am the measure of the distance from the nucleus to the outer shell, changing as elements vary. What am I? | Card: 29 / 30 |














