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lozanna [386]
2 years ago
11

What's similar about the valence electrons of Carbon and Silicon?

Chemistry
1 answer:
Mars2501 [29]2 years ago
5 0

Answer:

Explanation: Carbon and silicon BOTH come from Group 14 of the Periodic Table , i.e. both formally have the same number of valence electrons, 4 such electrons.........

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Predict the nature of the indicated<br> covalent bond.
11111nata11111 [884]

non-polar

Explanation :

Hydrogen and carbon have similar electronegativity values, so the C—H bond is not normally considered a polar covalent bond.

4 0
2 years ago
Which can occur during a physical change? (Select all that apply.)
koban [17]

Answer:

the shape of a piece of matter can change

7 0
3 years ago
How does increasing and decreasing the temperature affect the kinetic energy of molecules? How does this impact heat
coldgirl [10]

Answer: As the temperature of a molecular system increases, the kinetic energy of molecules also increase. Also as the temperature of a molecular system decreases, the kinetic energy of the molecules will also decrease.

Explanation:

James Clerk Maxwell developed the kinetic-molecular theory (KMT) of gases. In this theoey, five assumptions concerning an ideal gas was made. One of the them was that," the average kinetic energy of the gas molecules is proportional to the temperature of the gas". This simply means that a s the temperature of a molecular system increases, the kinetic energy of molecules also increase. Also as the temperature of a molecular system decreases, the kinetic energy of the molecules will also decrease.

Also another scientist known as Rudolf Clausius incorporated energy into the kinetic theory. He proposed that heat is a form of energy that affects the temperature of matter by changing the motion of molecules in matter.

Heat is defined as the flow of energy which is caused by difference in temperature.

In conclusion, when the temperature of a system is increased, the collision of the molecules with one another and the walls of their container increases as more molecules gain more heat energy at higher temperature. While as the temperature of the system decreases, the collision of the molecules will also decrease as molecules lose heat energy at lower temperature.

3 0
3 years ago
How does density vary with temperature?
nexus9112 [7]
Things expand when heated. therefore the molecules are farther apartand the matierial is less dense. Things expand because their molecules are vibrating faster and are taking up more space

3 0
4 years ago
Read 2 more answers
Which value from his calculation most strongly affects the number of significant figures in the answer?
Liula [17]
Well, the value that would most affect it is the one with the least sig figs

that would be the one that had the least precise way of measurement
8 0
3 years ago
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