O Science Application: An atom consists of charged particles called
electrons and protons. Each proton has a charge of +1 and each
electron has a change of -1. Remember number of electrons is equal
to number of protons, while answering these questions
(a) What is the change on an atom?
(b) What will be the change on an atom fit loses an electron?
(c) What will be the charge on an atom if it gains an electron?

idk lol

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

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