3 years ago

Which prefix would appear in the IUPAC name for a covalent compound that has four atoms of a single element?

1 answer:

4 0

The correct prefix is ‘tetra’. You can remember this because in Tetris (the game) you always get a block that consists out of 4 small squares arranged differently.

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What are the coinage elements ?

kupik [55]

The elements of a coin.

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3 years ago

How many atoms of each element are in the chemical formula NH4NO2?

Alika [10]

5 nitrogen, 1 hydrogen, and 1 oxygen I think

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3 years ago

C-12 and C-13 are naturally-occurring isotopes of the element carbon. C-12 occurs 98.88% of the time and C-13 occurs 1.108% of t

Veseljchak [2.6K]

Answer:

c) (12×0.9889) + (13×0.01108)

Explanation:

Given data:

Percentage of C-12 = 98.89%

Percentage of C-13 = 1.108%

Atomic mass = ?

Solution:

98.89/100 = 0.9889

1.108/ 100 = 0.01108

Atomic mass = (12×0.9889) + (13×0.01108)

Atomic mass = (11.8668 + 0.144034)

Atomic mass = 12.01084

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3 years ago

3. Write a hypothesis that explains your inference about the acidity of the paper. How might you test your hypothesis by extendi

vredina [299]

Answer:

google

Explanation:

go to the plus thing on your screen and search it. (please dont attack me im doing a dare >:( )

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3 years ago

20. What is the area of a piece of metal foil that measures 43.9 cm by 29.21 cm? Express the answer to

Aneli [31]

Answer:

The correct answer is b. 1280 cm^2

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3 years ago