251Elements such as silicon and boron, which show properties of both metals and nonmetals, are called what?
252Metals are generally good conductors of heat and what other form of energy?
253Compared to metals, nonmetals are generally what kind of conductors of heat and electricity?
254The property of metals that allows them to be hammered into thin sheets is called what?
255The property of metals that allows them to be drawn into thin wires is called what?
256Out of all known chemical elements, which category makes up the majority found on the periodic table?
257Transition metals are generally located in which part of the periodic table?
258The lanthanides and actinides, placed separately at the bottom of the periodic table, are together known as what?
259Radioactive elements are generally characterized by nuclei that do what over time?
260Which two radioactive elements are commonly used as fuel in nuclear power reactors?
No Comments