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3 years ago

The atomic number of an element represents the number of:

Business

1 answer:

NeX [460]3 years ago

4 0

Answer:

protons

Explanation:

By definition the atomic number of an element is the number of protons.

The protons are the positevely charged particles in the nucleus of the atom.

The atomic number of an element is what uniquely identifies it. There are 118 known elements and all of them are represented in the periodic table. Then, there are 118 different atomic numbers.

The elements are arranged in the periodic table in increasing order ot atomic number.

For instance:

The element with atomic number 1 is hydrogen (H). It is the first element in the periodic table, located in the upper left corner of the table. It has one proton. NONE other element has just one proton.

The element with atomic number 2 is helium (He). It has two protons, is located at the upper right corner of the periodic table and NONE other element has just two protons.

The element with atomic number 118 is Oganesson (Og). It is the last element in the periodic table. It is located in the bottom right corner of the periodic table. It has 118 protons and NONE other element has atomic number 118.

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4 years ago

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olga2289 [7]

Answer:

See below

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3 years ago

The net initial investment for a piece of construction equipment is $2,000,000. Annual cash inflows are expected to increase by

strojnjashka [21]

Answer:

payback period is 5 years

Explanation:

given data

net initial investment = $2000000

annual cash inflow = $400000

useful life = 8 year

to find out

payback period

solution

we know here initial investment of equipment and cash inflow increase

so here payback period will be express as

payback period = net investment / cash inflow ..............1

put here value in equation 1

payback period = net investment / cash inflow

payback period = 2000000 / 400000

payback period = 5

so payback period is 5 years

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