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3 years ago

5

How are atoms and molecules the same and how are they different?

1 answer:

garik1379 [7]3 years ago

3 0

<span>All the elements are listed out in a periodic table. If it's in the table, it's an element!Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2for short.</span>

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What information does the atominic numer give you about an element

uysha [10]

Answer:

It gives the number of protons in the nucleus of each atom of that element.

Explanation:

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2 years ago

V1T2 = V2T1 is an expression of who’s law

Andru [333]

<u>Answer:</u>

It is the expression of Charles' Law.

<u>Explanation:</u>

The given expression V1T2 = V2T1 is the formula for the Charles' Law.

A special case of an ideal gas is named as the Charles' Law. This law applies to ideal gases only which are at constant pressure.

According to this law, the volume of a fixed mass of a gas is directly proportional to its temperature and is given by:

V1T2 = V2T1

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3 years ago

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What is the molecular formula of first 20 elements

attashe74 [19]

Answer:

H

He

Li

Be

B

C

N

O

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Al

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P

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2 years ago

An element has an atomic number of 27. How many protons and electrons are in a neutral atom of the element

Sergeu [11.5K]

Answer:

27 and 32

Explanation:

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An insoluble solid is placed in water and the system allowed to reach equilibrium. The ratio of the rate at which ions join the

solmaris [256]

Answer:

One

Explanation:

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2 years ago