What is the cause of non-metallic character of element?

What would be the expected trend in the variation of non-metallic character of elements down a group?

What is the expected trend in the variation of non-metallic character of element form left to right in a period?

What are the causes of cancer?

What are the causes of muscle twitch?

A part of periodic table is shown in the adjacent figure. a. Write the symbol of the element 'B'. b. Will elements 'C' and 'D' have same number of valence electrons? c. Arrange elements 'A', 'B' and 'C' in increasing order of their metallic character. d. What is the number of electrons in L shell of element 'E'? e. Name any two elements that will have properties similar to that of element 'A'

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following questions with explanation. "_6C,_3Li,_9F,_7N,_8O. Which of the above elements has the highest non-metallic character?

What are causes of rancidity ?

Which alkali metal is most metallic in character?

What causes rain?

What are the metals and non-metals that we use in everyday life?