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morpeh [17]
3 years ago
7

Urgent help, please?

Chemistry
1 answer:
Aneli [31]3 years ago
7 0
Hope this helps! Just remember the order <n, l, ml, and ms>. Also, make sure you know what each term means. If you know what it means, then it makes it easier to answer these types of questions. 

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The atomic number of an element:
Aleonysh [2.5K]

Answer:

I think #3 might be the answer .

Because in #1 atomic mass tells mass .

#4 Atomic number doesnot only tell about the electrons atom has

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2 years ago
Substances that are readily combustible or may cause fire through friction
Dvinal [7]

Answer :

Flammable substances

Explanation :

<em>Flammable substances</em> will catch fire and continue to burn when they contact an ignition source like a spark or a flame.

For example, <em>methanol</em> is a flammable liquid.

A flammable solid may also catch fire through friction. <em>Matches</em> are flammable solids.

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Three chemical reactions of ethane?
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Answer:

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What is the name of the aluminum ion? Al–1 Al+2 Al–3 Al+3
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Most transition metal form more than one cation but aluminum forms the Al3+ cation only.

5 0
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Depends on molecule.

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