The Americans colonies became free and independent states explanation: because they declared independence
Answer:
4 grams
Explanation:
If in an experiment, we have 4g of reactants, the mass of the products will also be 4g.
This is in compliance with the law of conservation of mass in a chemical reaction.
According to this law,
"in a chemical reaction, matter is neither created nor destroyed but changed from one form to another".
If:
A + B → C
4g 4g
mass of A and B must be equal to the mass of the product according to the law of conservation of mass.
anwser:
A
Explanation:
calibrated to test and see if the temperature correctly
Answer: the atomic number is eleven because the number of protons is equal to the number of electrons which is also equal to the atomic number.
The atomic mass is the protons+neutrons which after adding will give 23.
Explanation: