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defon
3 years ago
11

Knowing what you know about the nucleus and the subatomic particles in the nucleus, what do you think is the charge of the nucle

us of an atom?
Chemistry
2 answers:
miskamm [114]3 years ago
5 0

Answer:

Sample Response: The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral.

Explanation:

iragen [17]3 years ago
4 0
What I think is the charge of nucleus is the proton+neutron
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If 9 moles of P203 are formed, how many<br> moles of O2 reacted?
masha68 [24]
9 x 3 = 27
27 moles of O reacted
27 / 2 = 13.5 O2 reacted
round up to 14 moles of O2
3 0
2 years ago
When a sample of liquid is heated, its thermal energy _______.
Ratling [72]

Answer:

Entropy.

Explanation:

I really hope this is right! sorry if its wrong

4 0
2 years ago
Identify the molecular shape of each Lewis structure.
saw5 [17]

Panel One

<em><u>Trigonal Planar</u></em>: This is in the shape of a triangle. It is an equilateral triangle with three equal atoms/ions at each corner of the triangle. The most well known example is a molecule with Boron at the center and the corner molecules some like Florine or iodine.

Trigonal Planar is the second Lewis Diagram from the right.

The uploaded picture is the second from the left.  

==========

<em><u>Tetrahedral</u></em> (Second Lewis Diagram from the left) is something like a pyramid except that that the base is triangular as are each of the faces. The carbon is in the center and the chlorines (in this example) are each in a corner. If this made of just carbon (like diamond or anthracite coal) then you are talking about something that is extremely hard. It's the first upload on the left.

=====================

<em><u>The Trigonal pyramid</u></em> is the first Lewis Diagram on the left. It usually has an unattached pair of electrons. Nitrogen or Phosphorous are ususally the samples in the center. The nitrogen with its unused paired electrons are at the peak of  blue sphere in the diagram that is uploaded second from the right.

======================

<em><u>The Bent one</u></em> is first lewis diagram on the right. It bends because of the unbalance (and double bonds) away from the nitrogen. Water looks something like that. Water is an example of Bent.

The upload is first on the right. These diagrams help you visulize what the various molecules look like

<em><u>Summary of Lewis Diagrams.</u></em>

From Left to right on the diagrams you gave me.

Trigonal Pyramidal

Tetrahedral

Trigonal Planar

Bent

<em><u>Summary of uploaded diagrams.</u></em>

From Left to right

Tetrahedral

Trigonal Planar

Trigonal Pyramidal

Bent

Problem Two

The very quick answer is E. Water is a bent molecule. It is flat. It has a very definite (+) end and a very definite (-) end. The marriage of a plus end with a minus is a very long lasting relationship. It is not the strongest bond in the world, but it is strong enough to create all the properties  that the stem of the question has listed. [High melting and boiling points and high surface tension.

A is a repulsive condition. Likes repulse. Wrong answer.

B is wrong. We are talking about water itself, not water with something in it.

C is Wrong. Water molecules are distinct. They are a bit on the hermit side. They do not connect directly with each other.

D Wrong. There is no interchange of electrons between molecules.



5 0
3 years ago
Read 2 more answers
How many Noble gases are there?
melomori [17]

Answer:

six noble gases

Here are five of the six noble gases: helium, neon, argon, kypton and xeon. They're all colourless and transparent. Krypton and xeon form compounds only with difficulty. Helium, neon and argon don't form compounds at all.

3 0
2 years ago
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Identify the independent variable, dependent variable, and constant in the following problem: If you plant hydrangeas in your ga
Afina-wow [57]
The independent variable is the one you change, and the dependent variable is the one that changes because the independent changed (i think). The constant variable is the thing you can't change so the experiment is fair.

Independant: whatever causes the flowers to change color 
Dependent: the flowers change color
Constant: same soil type, same conditions, etc.
5 0
3 years ago
Read 2 more answers
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