The molecules of the cold element are going to be closer together and still than the molecules of the hot element because the heat energy causes the molecules to be stimulated and to move.
<h3>How do molecules act at different temperatures?
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In the image you can see the behavior of the molecules when they are in different environments. On the right you see the cold molecules and on the left the hot molecules that are characterized by the following characteristics:
Cold molecules:
- Molecules together.
- Molecules with little movement.
Hot molecules:
- Separate molecules.
- Molecules with active movement.
A simple example to understand this behavior of molecules is water because:
- When water is frozen its molecules are almost static and close together.
- When the water is liquid and it is heated, the molecules move and that is why the water has bubbles, its molecules are separated.
Learn more about molecules in: brainly.com/question/19922822
<h3><u>Answer;</u></h3>
160 g
<h3><u>Explanation;</u></h3>
1 mole of a compound contains a mass equivalent to the relative formula mass of that particular compound.
the formula of iron oxide is Fe2O3
R.A.M of Iron = 56 , while that of oxygen is 16
RFM = (56 ×2) + (16 ×3)
= 112 + 48
= 160
Therefore, 1 mole of Iron oxide contains 160 g
Answer:
12protons, 12neutrons, and 12electrons.
Explanation:
An element X- 24 is Magnesium, in its elemental form, it consists of 12 electrons and 12 protons. Magnesium's average atomic mass is 24.305 amu. Isotope is known as a compound with the same number of electrons and protons but a different number of neutrons.
The three most natural isotopes of Magnesium are Mg-24 (12 neutrons) is 78.9%, Mg-25 (13 neutrons) is 10% and Mg-26 (14 neutrons) is 11.01%, all found in nature. So, about 79% of all Magnesium atoms consist of 12 protons, 12 neutrons, and 12 electrons.