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3 years ago

Help plz..? this is really important to me and this is most of my grade may you please help?

Chemistry

2 answers:

Jet001 [13]3 years ago

3 0

In sodium there are 11 electrons
In chlorine there are 17 electrons
There are 17 protons in chlorine
There are 11 protons in sodium

I’m not sure what an octet is I study in a British system if there’s anything else you’re not sure of search the Internet it has all the answers

Anna11 [10]3 years ago

3 0

In sodium there are 11 electrons

In chlorine there are 17 electrons

There are 17 protons in chlorine

There are 11 protons in sodium

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When considering light moving through a diffraction grating, you should treat the light as what?

liraira [26]

Answer:

A particle

Explanation:

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particle nature of light dominates.

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How is energy transferred through the water cycle?<br><br><br><br> Please help

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What are the steps for scientific method in order

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Make an observation.

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Form hypothesis.

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One thing that is designed to change in the set up of the experiment. ( The things that I can change) Independent Variable.

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3 years ago

What decides if an atom will be a cation or an anion?

JulijaS [17]

The loss or gain of electrons

Explanation:

The loss or gain of electrons determines if an atom will become a cation or anion.

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An anion is a negatively charged ion.

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3 years ago

the gas left in an used aerosol can is at a pressure of 103 kPa at 25 degrees celsius if this can be thrown into fire what is th

Rainbow [258]

Hello!

The pressure of the gas when it's temperature reaches 928 °C is 3823,36 kPa

To solve that we need to apply Gay-Lussac's Law. It states that the pressure of a gas when the volume is left constant (like in the case of a sealed container like an aerosol can) is proportional to temperature. This is the relationship derived from this law that we use to solve this problem:

$P2= \frac{P1}{T1}*T2= \frac{103 kPa}{25}*928=3823,36 kPa$

Have a nice day!

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3 years ago

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