Question

What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons?

Answer 1

What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons?Selenium atom

D. Se2-


Which of the following is the best description of how electrons are transferred in an ionic bond?

A. A metal atom loses electrons and a nonmetal atom gains electrons.

A user is constructing an ionic bond between beryllium and chlorine and has reached the stage below. What should the user do next?
Beryllium and chlorine

A. Transfer an electron from the beryllium atom to the chlorine atom.


Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

B. 2

Lithium nitride has the chemical formula Li3N. Rubidium is in the same chemical family as lithium. What is the formula of rubidium nitride?

C. Rb3N