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Afina-wow [57]
3 years ago
6

How do the properties of elements change as you move across a period

Chemistry
1 answer:
denpristay [2]3 years ago
3 0
The number of shells increase, the energy level their outer shell have decreases as we go down wards,
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What geological process(es) could form magnesium silicate perovskite at 500 C?
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Magnesium silicate is a compound of magnesium oxide and silicon. It is the magnesium salt of silicic acid containing an unspecified amount of water. The molecular formula can be expressed more clearly as MgSiO3.

7 0
2 years ago
The end of one bar magnet is placed near the end of another bar magnet. The two ends seem to push each other apart. Which of the
rosijanka [135]

Answer:

A.The two ends are like poles

Explanation:

Magnets are composed of a north pole and a south pole. If two like poles of a magnetic are placed near each other, the two ends seem to push apart.

The reason for this is that, when like poles of two magnets are made to face each other, the lines of forces are in opposite directions, hence the magnets repel.

If unlike poles of two bar magnets are made to face each other, the magnetic lines of force are now in the same direction therefore the unlike poles attract each other.

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3 years ago
Which of the following provides cell support in an animal cell? A. microtubule B. mitochondria C. lysosomes D. vacuole
Viktor [21]

Answer:

D.

Vacuole

Explanation:

Hope this helps:)

4 0
3 years ago
Why is the statue of liberty made out of copper and not zinc?.
Westkost [7]

Answer:

The statue of liberty was made of copper. Copper is extremely weather-resistant. It will gradually oxidize copper chloride, which is greenish in

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Because it copper and it greenish

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Why is it important for scientists and o make data tables
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I think is important to make a data table because when you do the same experiment if you get the same its because your right?
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