An element melts at about 100 degree centigrade and forms an oxide which reacts with water to form a solution with a pH less than 7. Which of the following statements is most likely true :

1. the element conducts electricity

2. the element has a covalent network structure

3. The oxide is basic

4. The oxide contains covalent bonds

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.