<em>Answer:</em>
<em>Chemical equations must be balanced to satisfy the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.</em>
Explanation:
Explanation:
The more reactive element replaces less reactive element during chemical reaction.
Since, potassium is more reactive than beryllium. When potassium reacts with beryllium choride, it replaces beryllium and forms potassium chloride and produces beryllium.
The atomic number is 6, you can also find out by the amount of electrons because, electrons and protons have the same charge.
Answer:
metabolism
cell division
Explanation:
metabolism is the series of activities that take place in the body of an organism
cell division is the enlargement or division of cell in order for growth to occur