K stands for thousands
1 k = 1000
1 milli = 0.001
covert 878kg to g
878 x 1000=878000 g or (8.78^5)
convert g to mg
878000 / 0.001 =878,000,000
=8.78^8
^ or E means power of
Answer:
Protons
Explanation:
It's the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
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To balance a chemical equation you must pay attention that the algebraic equation has the same number of element atoms in reactant and the product.
A chemical equation is a term to refer to the symbolic description of a chemical reaction, that is, the written representation of symbols. For example:
The balance of an equation can be related to the law of conservation of matter, that is, the number of atoms of each element in the reactants is in the result.
Note: This question is incomplete, because the information some information is missing.
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Answer: salt
Explanation:
Arrhenius acids are substances which dissociate in water to give 
ions.
Arrhenius bases are substances which dissociate in water to give 
ions.
Thus when they combine, they neutralize each other and produce salt and water.
