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Andrew [12]
3 years ago
7

Science fair ideas??? please help

Physics
2 answers:
Makovka662 [10]3 years ago
7 0
Volcano xD it was pretty cool and easy if that's what you want or a rocket using pesticidE as the rocket fuel. or search for more online cx
Rasek [7]3 years ago
5 0
Just put coins or something like that into different liquids and examine the corrosion between them. Hope this helped ;)
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Explanation : We know that two forces acting on the satellite.

The speed of the satellite and the force of the gravity on the satellite then the result , the satellite moves around the earth in a circular motion.

A satellite to move tangentially to a circular path, while revolving around the circular path because the centripetal force is acting on it.

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The answer would be:

B. Chlorine, iodine and Fluorine

Barium has 2 valence electrons. To satisfy the BaX₂ , this would mean that Barium will need to give one of each of its electrons. The elements that need 1 electron would be those that have 7 valence electrons to complete the octet. These elements would fall in group 7 or halogens. Chlorine, iodine and fluorine are all in Group 7, so this would be the best choice.

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Which factors could be potential sources of error in the experiment? Check all that apply.
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