Which of the following is a characteristic of nonmetals?
a. non-metals often conduct electricity
b. nonmetals are not ductile
c. nonmetals are often shiny and hard
d. nonmetals are often malleable

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next