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2 years ago

Classify each of these compounds as molecular or ionicCF4

Chemistry

1 answer:

madam [21]2 years ago

8 0

CF4 or Tetrafluoromethane is a ionic compound

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What happens immediately before a volcano erupts?

Firdavs [7]

Well, the cause of a volcanic eruption is when the lower crust melts. This leads to the formation of magma. The volcano is an opening through which the magma is discharged. The rock inside the earth melts. This magma is diffused upwards through the volcano. If magma reaches the top of the volcano, it behaviour depends on viscosity. So what happens before a volcanic eruption is that the lower crust melts, causing the formation of magma, which is released through the volcano. Hope i helped.

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3 years ago

Give free 18 points again just answer yes or no<br> is einstein a scientist? yes or no

BARSIC [14]

Answer:

yes

Explanation:

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2 years ago

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How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O)? For example if th

oee [108]

Given :

Mass of oxygen containing carbon monoxide (CO) is 2.666 gram .

To Find :

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O) .

Solution :

By law of constant composition , a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

So , volume of solution does not matter .

Moles of oxygen , $n=\dfrac{2.666}{16}=0.167\ mole$ .

Now , molecule of CO contains 1 mole of C .

So , moles of C is also 0.167 mole .

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Therefore , mass of carbon is 2 grams .

Hence , this is the required solution .

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2 years ago

As the number of electrons added to the same principal energy level increases, atomic size generally

iVinArrow [24]

As the number of electrons added to the same principal energy level increases, atomic size generally

C. Decreases.

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defon

Answer:

Explanation:

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