Question

group 6 period 5 find the atomic number of that element​

Answer 1

• As per the modern periodic law, the elements are arranged in increasing order of atomic number, and there are 18 groups and 7periods.
• There are 2 elements in 1 period, 8 each in 2 and 3 periods, 18 each in 4 and 5 periods 32 in 6 periods and 7 periods are incomplete
• Also rememember 1 group is called alkali metals, 2 is alkaline earth metals, 3 to 12 are called transition metals
• and 13 boron family,m 14 carbon family, 15 nitrogen family, 16 oxygen family, 17 halogens and 18 inert gas or nobel gases.
• Left side and bottom row elements are metals. Right hand side elements and top rows are nonmetals.
• If the position in period and group is known the atomic number and element can be identifyied as metal or nonmetal.
• For example element is present in 14 group and 2period. Count from left, 1 period has 2 elements--H and He, 3 period has 8 elements.
• Atomic number 3,4, 5, will be in 1, 2 and 13 groups. Atomic number of this element is 6 and it is carbon. the whole group is called carbon family.