Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. e
B. 2e
C. 3e
D. 4e
A. e
B. 2e
C. 3e
D. 4e
A. acetaldehyde
B. ethyl alcohol
C. methyl alcohol
D. acetone
A. ns2p2
B. ns2p4
C. ns2p5
D. ns2p6
A. Free electrons
B. Free molecules
C. Free ions
D. Atoms of Na and Cl
A. smelting
B. roasting
C. calcinations
D. froth floatation
A. nucleophile addition
B. polymerization
C. oxidation
D. all of the above
A. drying
B. heating
C. evaporation
D. All of the above