Question

Slide presantation related to impact of periodic table

Answer 1

Answer:

Because they do not readily combine with other elements to form compounds, the noble gases are called inert. The family of noble gases includes helium, neon, argon, krypton, xenon, and radon.Before all the naturally occurring elements were discovered, the periodic table was used to predict the chemical and physical properties of elements in the gaps on the table. ... The table is useful for modern students and scientists because it helps predict the types of chemical reactions that are likely for an element