Number of proton K=19
so, 42 - 19 =23
then the answer in 19 protons and 23 neutrons
Answer:
The answer to your question is A. Decomposition
Explanation:
In the picture, we can observe that there is only one reactant that after the reaction are formed two products.
We observe that this is a decomposition reaction.
It is not a synthesis reaction, this reaction is the opposite of a decomposition reaction.
In a single-replacement and double-replacement reaction, there is an interchange of cations between the reactants, this does not happen in the picture.
The atomic number tells you the number of electrons. That means there are 18 electrons in an argon atom.
Answer: It is not renewable
Charcoal contains high amount of CO2 emission.
Charcoal when burned emits radiation and even clean coals produces methane.
Explanation:
