In the description below, there are some questions that I don't understand. These are about the periodic table. Thank you
There are 13 questions BUT I'm only asking 5. IF you can answer ANY please help me! This is NOT homework. But I need to know these for an exam. THANK YOU!
1) How do ions of metallic elements compare in size with the elements from which they are derived? Examples.
2)Why does the first period of the periodic table contain only 2 elements, while all the other periods contain 8 or more? Hydrogen is sometimes placed at the top of Group VII. Explain
3) Compare metals and nonmetals in terms of first ionization energies. Examples
4) Predict the products of a reaction between water and Sodium. What observations could you make that would confirm predictions?
5) What 3 factors determine the reactivity of elements? Examples