Establish a connection, empty space, the location of electrons in orbit, the missing elements, allows us to recognize, overcome difficulties, repeatability of properties, a huge number, closely related, the degree of oxidation.
Объяснение:
Establish a connection, empty space, the location of electrons in orbit, the missing elements, allows us to recognize, overcome difficulties, repeatability of properties, a huge number, closely related, the degree of oxidation.
Good luck!