noble gas
There are three possibilities:-- 7 equal groups, with 3 in each group-- 3 equal groups, with 7 in each group-- 21 equal groups, with 1 in each group
7 groups, with 3 in each3 groups, with 7 in each21 groups, with 1 in each1 group, with 21 in each
The groups of electrons with 7 valence electrons are groups 7 and 17 on the periodic table.
Yes, 21 can be divided into equal groups. 21 is divisible by 1, 3, 7, and 21. Therefore, you can divide 21 into 1 group of 21, 3 groups of 7, 7 groups of 3, or 21 groups of 1, with each group being equal in size.
There is a total of 17 elements in those groups.
group 1 are the alkali metals group 2 are the alkaline earth metals group 7 are the halogens group 8 are the noble gases
To split the alphabet into four equitable groups, you can divide the 26 letters into groups of approximately equal size. One way to do this is to create groups of 6 or 7 letters each: Group 1 (A-F), Group 2 (G-L), Group 3 (M-R), and Group 4 (S-Z). This results in three groups of 7 letters and one group of 5 letters, ensuring a balanced distribution. Alternatively, you could also adjust the groups slightly based on specific needs or contexts.
group 7
Group 8 - The Noble Gases Group 7 - The Halogens Group 6 - The Chalcogens Group 5 - The Pnictogens
Its a different amount for each group.Group 1: 7 elementsGroup 2: 6 elementsGroups 3-12: 4 elementsGroups 13-17: 5 elementsGroup 18: 6 elementsThe lanthanide and the actinide series usually aren't included in the 18 groups.
If you have 42 treaties they can be divided into 6 groups with 7 treaties in each group or 7 groups with 6 in each. No smaller number of treaties can be divided into groups of 6 or 7.
All elements in Group 7 have the same number of electrons in their outermost shell and this number corresponds to the group number.