Periods in Periodic Table refers to rows.Each row element has its specific characteristics.There are 7 rows in a periodic table.
Periods are horizontal rows. Properties vary in a systematic pattern in periods.
Ca is calcium.
Modern periodic table has 7 periods and 18 groups.
The horizontal rows are referred as periods. There are 7 periods in periodic table.
The horizontal sections of the periodic table are called periods.
The periodic tables.
There are 7 periods in the periodic table of elements, representing the number of energy levels or shells of electrons in an atom. Each period corresponds to a new electron shell being filled.
7The Periodic Table has 7 periods and 18 groups.
Periods are types of elements.
the horizontal rows (not groups) are known as periods.
Periods are horizontal rows. 7 periods are present in modern periodic table.
a Periodic Table organises the different elements, according to the atoms' mass, type, properties, reactivity etc. See the question about: periodic table patterns
Because the elements that have similar properties are arranged in groups - or 'periods'.
there are around about 120 but not exactly .,, each periodic tables means something different
rows. the vertical columns are called periods
The periodic table has 7 periods and 18 groups. The periods are in a horizontal line and the groups are in a straight line like up to down.
Periods have same shells. There are 7 periods in periodic table.
there are 7 periods in the periodic table118
The rows of the periodic table are known as periods.