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IV. WHAT MAKES UP MATTER?
Matter is made up of tiny particles. These particles are called atoms. Atoms are the smallest unit of matter. You can’t see atoms because they are so tiny. Two or more atoms can join together to make larger particles of matter. These larger particles can join other particles to make up the matter you can see. Atoms join together to make up different kinds of matter. Oxygen is made up of just one kind of atom. Water has two atoms that join together to make water. ANSWER THE QUESTIONS: 1. What is an atom?
2. Why can’t you see an atom?
3. How many kinds of atoms does water have?
4. How many kinds of atoms does oxygen have?
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Could I please have it in a non complicated but yet detailed way please.
Thank you very much
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You are provided with the following mass spectra, use the spectra to determine the composition of elements and compounds.

The mass spectrum of 1-bromopropane is shown .

Identify the species responsible for signals m/z 124, 122, 81, 79, 43 and 29.

Write an equation for the formation of each species.

In detail please
Hello, due to not being able to upload pictures on this website I have included a link below with an image relating to this question.
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You are provided with the following mass spectra, use the spectra to determine the composition of elements and compounds.

The mass spectrum of methyl butanoate is shown.

Identify the species responsible for all the signals shown.

Write an equation for the formation of each species.

In detail please
Hello, due to not being able to upload pictures on this website I have included a link below with an image relating to this question.
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You are provided with the following mass spectra, use the spectra to determine the composition of elements and compounds.

1. The mass spectrum for chloroethane is shown.

Identify the species responsible for signals m/z 66, 64, 51, 49 and 29.

Write an equation for the formation of each species.

In detail please
Explain the relevance of numbers of molecules to volume, density and relative molecular mass.

In detail please
Explain the relevance of molecular collisions to gas pressure, and molecular movement to temperature.

In detail please
The i.r. spectrum of a compound C2H4O2 has an absorption at 1700nm-1 but no absorption in the range 2500-3500cm-1. Suggest the structure of the compound.

In detail please
a container holds 400 L of a gas at atm. if the pressure is increased to 5 atm, what will the volume of the gas be?
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