Aluminum (AI) has a full inner shell, a full second shell, and 3 electrons in its third shell, which holds a maximum of 8. Chlorine (CI) has a full inner shell, a full second shell, and seven electrons in its third
shell, which holds 8. If aluminum and chlorine combine, the formula of the stable molecule will be?

a. Al3Cl
b. AlCl3
c. AlCl
d. Al3Cl3

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Any sound above what db can cause hearing loss in human beings