Answer:
Explanation:
a) calculate the total avoidable cost in keeping the old machine and buy a new machine:
PARTICULARS KEEP OLD BUY NEW
AMOUNT($) AMOUNT($)
Opportuinty cost of buying 40,000
the old machine
Purchase price 150,000
Operating expenses
(50,000 × 4 years) 200,000
Operating expenses
18,000 × 4 years) 72,000
TOTAL AVOIDABLE COST 240,000 222,000
b)Decision:
Since the cost of operating the new machine is lower,it should be replaced
Answer:
Ionic bond occurs between two atoms that have different:
a) Electron
Explanation:
according to the definition of ionic bond,
it is the electrostatic force of attraction that holds the two oppositely charged ions together and an ionic bond or electrovalent bond is formed when one atom gains electrons while the other atom loses electrons from its outermost level or orbit.
Answer:
Explanation:E=hc¯ν=hcλ [Where h = Planck's constant, c = velocity of electromagnetic radiation(light) and lambda = wavelength.] So, just substitute every needed value. =1.29077⋅10−18 Joules
Answer:
Element And Antomic Number
Cảm ơn tôi sau và theo tôi
For Sodium would need to lose 11 electrons to become an ion.