Answer:
variable: not consistent or having a fixed pattern; liable to change.
Explanation:
Answer:
119.28g
Explanation:
Data obtained from the question include:
Number of mole of Si = 4.26 mol
Molar Mass of Si = 28g/mol
Mass of Si =?
Number of mole = Mass /Molar Mass
Mass = number of mole x molar Mass
Mass of Si = 4.26 x 28
Mass of Si = 119.28g
Answer:
A Half Life
Explanation:
The half life is the time it takes for the substance to become reduced by half as a consequence of decay.