Answer:
The rows on the periodic table are called periods. All the elements in a period have valence electrons in the same shell. The number of valence electrons increases from left to right in the period. When the shell is full, a new row is started and the process repeats.
<h2>
I hope it helps plz let me know if it is right or wrong.</h2>
Answer:
The formation of AN OXIDE
Explanation:
A combustion reaction is a chemical reaction which involves the burning of an hydrocarbon in oxygen
Answer:
The student measured the cup and got an incorrect answer
Explanation:
because he was in a rush.
<span>Fossil fuels, oil , natural gas Renewable energy, wind , geothermal , and solar Nuclear power, <span>Other sources</span></span>
Answer:
C) low activation energy of forward reaction
Explanation:
Activation energy for the forward reaction is the quantity of free energy which is needed for a reaction to move from the reactant phase of energy level to the transition state of energy level. The higher the rate of energy level, the slower the chemical reaction.
Activation energy is a barrier that must be overcome for a reaction to take place.