Answer:
Electrodes are the rods that carry the electric current to and from the electrolyte. These rods are usually inert, as in they do not react- usually graphite or platinum. The positive electrode is called the anode and the negative electrode is called the cathode.
Explanation:
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Answer:
120G
Explanation:
From the combustion process, about 120G of carbon dioxide would be released into the atmosphere.
For the chemical reaction to obey the law of conservation of matter, if only ash and carbon dioxide are the product, then the sum of the mass of the product and that of the reactants must be the same.
In a chemical reaction, matter is not created nor destroyed, but they are simply changed from one form to another.
Mass of wood burning = mass of ash + mass of CO₂
150G = 30G + mass of CO₂
mass of CO₂ = 150G - 30G = 120G
Explanation:
They are indeed placed from the far left hand side of the periodic table in almost the same column. If you step around the table between left to right, the movement of electrons rises by one. When you progress down the line, the number of power increases by the one.
Answer:
Group 8 elements are inert and possess :
1. Low Boiling Points
2. High ionization energies
3. Electronegativities is very low
4. No color, odor
Explanation:
Group 8 elements are also called as Noble Gases. They are unreactive.
They have low boiling points means they remains monoatomic at room temperature. Having high ionization energy means that it is very difficult to remove an electron from its valence shell.
