Structure of Periodic Table
完了要件
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特別 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | すべて
P
PeriodA horizontal row on the periodic table. | |
Periodic tableAn arrangement of the elements according to atomic number and repeating patterns in their properties. | |
Periodic trendA repeating pattern in the properties of elements across the periodic table. | |
ProtonA positively charged particle found in the nucleus. | |