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2 years ago

13

Two reasons why scientists create models to study atoms

1 answer:

zaharov [31]2 years ago

6 0

Models are used to study atoms because we can't exactly study an atom with the naked eye, Using an enlarged model of an atom easier to study because we can pin point the different characteristics of the atom.

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Write a balanced chemical equation for the standard formation reaction of liquid chloroform (CHCI).

Inga [223]

<u> C^1H^1C^1I^1</u>

Explanation:

<u>this seems already balanced</u>

C = 1

H =1

C = 1

I = 1

8 0

1 year ago

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a

Arlecino [84]

Answer: The correct formula for phosphorous pentachloride is $PCl_5$ because a subscript 5 indicates five chlorine (Cl) atoms.

Explanation: For the given molecule, phosphorous pentachloride, there are 2 atoms present which are phosphorous and chlorine atoms.

Number of phosphorous atoms = 1

Number of chlorine atoms = 5

So, the correct formula for phosphorous pentachloride will be $PCl_5$ because the subscript 5 represents the 5 chlorine atoms.

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It can cause a deadly reaction to skin if not treated for a long time

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2 years ago

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Mashutka [201]

Answer:

i think its false because heat is defined as the sum of kinetic enegry present in the molecules of substances.

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3 years ago

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Which causes an increase in greenhouse gases?

kirill [66]

Answer:

C

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