Choose the word that does not belong to each group. Rb, H,K, Be(not...)
Calcium, Chlorine, Coblant, Copper (not...)
Fluorine, Iodine, Hydrogen, Bromine(not)
Ga, So, In, B(not...)
Malleable, shiny, dull, good conductor of electricity and heat (not...)
Ni, Co, O, Au(not...)
Silicon, Sodium, Germanium, Arsenic (not...)
Chlorine, Iron, Nitrogen, Neon (not...)​

one state would change   like louisiana to texas. thats a change

explanation:

answer; protein;

he would use the colour black

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.