A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding
Covalent network crystals have_____________? Read More »
A. Ice
B. Diamond
C. Sucrose
D. Plastic
All of the following substances are crystalline except Read More »
A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
A. Sea water
B. Brass
C. Tape water
D. Graphite
Which of the following is a substance? Read More »
A. haber process
B. Amonia solvay process
C. decons process
D. lead chamber process
Sodium carbonate is produced by Read More »
A. Michael Faraday
B. James Maxwell
C. Yuri Gagarin
D. J.J Thomson
Electron was discovered by? Read More »
A. tritium
B. deuterium
C. protium
D. ortho-hydrogen
The radioactive isotope of hydrogen is called Read More »
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter
The soul of chemistry is dealing with Read More »
