The law states that girls and boys must have names that indicate their gender, you can't use a last name as a first name, and unusual names may be rejected. Of the approximately 1,100 names that are reviewed each year, 15-20% of the names are rejected.There are also laws in place to protect rare Danish last names.he law states that girls and boys must have names that indicate their gender, you can't use a last name as a first name, and unusual names may be rejected. Of the approximately 1,100 names that are reviewed each year, 15-20% of the names are rejected.
Don't show this again! Periodic Table of Elements. The periodic table of the chemical elements displays the organizing principles of matter. The table is a tabular depiction of the chemical elements and their characteristics. Russian chemist Dmitri Mendeleev is generally credited with the invention of the periodic table.
GROUPS. There are 18 groups (columns) in the periodic table. Group 1 (also known as the alkali metals) is the column on the far left of the table. Elements in the same group have similar, but not identical characteristics. This is because they all have the same number of electrons in their outermost shell.