What is the comound name for the formula PbCl2?

Answers

Answer 1

Answer: Lead (II) chloride
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Chlorine has a charge of -1 and lead can have a charge of +2 or +4
The charges need to be balanced, so if lead was +4 then the equation would be PbCl4, because chlorine needs 4 atoms to balance out lead. Because it was Cl2, we know it was lead (II)

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Which of the following could not happen as a pot of water boiled on the stove?A. PARTICLE VIBRATION INCREASED
B.PARTICLE VIBRATION DECREASED
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D.PARTICLES MOVED RANDOMLY

Answers

b. particel vibration decreaded

Like if it didn't boil, nothing evaporated, didn't even get warm. You just have to think about it.

What variable can you change in an experiment?

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Answer:

independent variable

Explanation:

Answer:

independent value =)

Explanation:

What is the correct classification of a mixture in which both a solid and a liquid are visible?A.a homogeneous mixture and a solution
B.a homogeneous mixture and a suspension
C.a heterogeneous mixture and a solution
D.a heterogeneous mixture and a suspension

Answers

Answer is: D.a heterogeneous mixture and a suspension.

Suspension is a heterogeneous mixture (solute particles do not dissolve), that contains solid particles (for example nickel sulfide or NiS) sufficiently large for sedimentation.

The internal phase (solid nickel sulfide) is dispersed throughout the external phase (water).

Another example of a suspension is sand in water.

It would be D.a heterogeneous mixture and a suspension hope this helps

Which element in period 2 has less mass

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the element that less mass in period two is Beryllium.

What would happen if there no decomposers

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producers would not have enough nutrients .

all the other categories above the decomposers would die off, the decomposers help get rid of the dead organisms and if there were no decomposers then there would be dead organisms and bones everywhere.

How to clams get calcium?

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They eat the nutrients from the seaweed in the water.

They began to filter the water around them for calcium.

This is also how they produce the shells , They would collect calcium from the water around and slowly "release loose glue" to push up to the front of the outer layer and it drys to be harder.

I really hope that this helps you out a lot.

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_______ and _______ are located in the nucleus of the atom, while _______ exist in areas of probability around the nucleus.

Why do plants found at a different elevation on a mountain might differ

As an aqueous solution becomes more acidic the hydroxide ion