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This would be 'chemical' weathering.
Acid rain would react with the minerals in the rocks, causing them to break down.
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Carbon and silicon have same number of valance electrons which is 4 electrons
Now, Barium is a 2nd group element. So, it has two valance electrons.
Silicon is a 16th group element and it has 4 valance electrons as does the carbon. This is because they both stay in the same group in the periodic table.
Neon is a noble gas which has 8 valance electrons and stays in the 18th group.
Therefore, carbon and silicon have same number of valance electrons which is 4 electrons.
<h3>What are Valence electrons ?</h3>
The electrons in an atom's outermost shell, or energy level, are called valence electrons. For instance, the valence electrons of oxygen are six, with two in the 2s subshell and four in the 2p subshell.
- The number of valence electrons for neutral atoms is the same as the number of the atom's main group. A periodic table element's column can be used to determine its main group number. For instance, carbon, which belongs to group 4, has four valence electrons. Group 6 oxygen contains six valence electrons.
Learn more about Valence electrons here:
brainly.com/question/371590
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Answer:The changes around us that involves chemistry is burning,cooking,rusting,and rotting.
Explanation:
<span>P1/T1=P2/T2
760/303=P2/1428
P2= 760*1428/303
P2=3,582mmHg
</span>
Answer: The temperature at the point of intercept is -273°C.
Explanation: Intercept is a point on a graph which crosses the x and y axes.
Here, The X-axis represents Temperature in °C and Y-axis represents the Volume in mL.
On X-axis, the major division is 100 and minor division is 10. The slope intercepts the X-axis at third minor division from the origin. Hence, the temperature of intercept corresponds to -273°C.
