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3 years ago

Help me pls I’m lost if you know it pls answer it thank you

Chemistry

1 answer:

Leokris [45]3 years ago

8 0

Answer:

Thats all i can think of Hope this helped

Explanation:

Brown eyes

first born is a boy

pale skin

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What is Tyndall effect? Describe an activity to show that a true solution does not show Tyndall effect

beks73 [17]

Answer:

The Tyndall effect is the scattering of light as a light beam passes through a colloid. The individual suspension particles scatter and reflect light, making the beam visible. The amount of scattering depends on the frequency of the light and density of the particles

Explanation:

And an activity to see if the solution doesn't show the tyndall effect is to try to shine a flaslight through it and see if you can see it coming out the other end

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Help please-

anzhelika [568]

Answer:

Oxygen and Carbon are in the non-metal section. Both are in 2nd period while Carbon is in group 4A and Oxygen is in group 6A.

Oxygen has more valence electrons than carbon. I wish I could give you a more accurate explanation why on paper, but all you need to do is count the electrons on the largest shell.

Here's the orbital notation of Carbon: 1s^2 2s^2 2px^1 py^1

Carbon's largest shell is 2. Count the electrons on shell 2, and you get 4 valence electrons.

Orbital notation of Oxygen: 1s^2 2s^2 2px^2 py^1 pz^1

Oxygen's largest shell is 2. So, like with carbon, count the electrons on the largest shell. You get 6.

There is a way easier way of interpreting this where you do not even have to write the orbital notation. I wish I can explain, but just know the periods and the group numbers.

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3 years ago

can you help me I'm trying to do a lm trying to do a keynote and i need to know what it means and what it dose

yanalaym [24]

Here are my quick example slides:

1st Picture:
just a title page

2nd Picture:
I just gave the definition of an organelle you could go more in-depth. The picture doesn't have to be there, of course.

3rd Picture:
Examples of organelles in plant and animal cells, these are just examples of how I would do one.

This was just to show how you could do it because it would be kind of hard for me to explain just in words.

Hope I could help! c:

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3 years ago

The compound MgF is an example of a(n)

melamori03 [73]

It is metallic compound

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4 years ago

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