Chemistry Basic Concept

A. copper
B. ice
C. diamond
D. graphite

A. sodium
B. diamond
C. graphite
D. magnesium

A. Teflon
B. asbestos
C. saran
D. acrylic

A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin.
B. The electrons in the same atom cannot have the same four quantum numbers
C. There is maximum of two electrons is an orbital.
D. None

A. 1
B. 2
C. 3
D. 4

A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm

A. they cast shadow
B. they possess momentum
C. they are negatively charged
D. all of the above

A. Analytical balance
B. Guoys balance
C. Electrical balance
D. Single beam balance

A. Polar solvent
B. Non polar solvent
C. Fused metal
D. None

A. 2
B. 3
C. 4
D. 5