Answer:
Brainliest pls
Explanation:
The components potassium and sodium have comparable substance properties since they have a similar number of valence electrons
A. 
→ 
B. 
→ 
C. 
→ 
What is a balanced chemical equation?
An equation that has an equal number of atoms of each element on both sides of the equation is called a balanced chemical equation.
A. →
B. →
C. →
Learn more about the balanced chemical equation here:
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Answer:
Density is mass over volume.
Explanation:
Answer:
The metric system goes by powers of ten, so it's very easy to measure. That would be the main advantage, measurements of ten. We can also say it's the most used measurement around the world, so all scientists have little to no conversion, but the main answer is probably the first one :)
