Periodic Table Flashcards
1
Q
What are the characteristics of metals?
A
Good conductors of heat and electricity Lustrous Malleable Ductile Solids at room temp Tend to lose electrons Melt at high temperatures
2
Q
Which metals are exceptions to the “solid at room temperature” rule?
A
Mercury (Hg)
Cesium (Cs)
Gallium (Ga)
3
Q
Which metal melts at a high temp?
A
Iron (Fe)
4
Q
What are the characteristics of nonmetals?
A
Not lustrous Poor heat and electricity conductors Lower melting points (exception) Some exist as diatonic molecules Tend to gain electrons
5
Q
What is the non metal exception to melting points?
A
Diamond
6
Q
What are the non metal diatomic molecules?
A
H2 N2 O2 F2 Cl2 Br2 I2
7
Q
What are the semimetals?
A
Boron (B) Silicon (Si) Germanium (Ge) Arsenic (As) Antimony (Sb) Tellurium (Te) Astatine (At)
