I got you bruh the answer is...
2
Answer:
C. Valence electrons
Explanation:
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Most atoms have more neutrons than protons which accounts for basically half of the nucleuses mass.
Answer: Common sources of error include instrumental, environmental, procedural, and human. All of these errors can be either random or systematic depending on how they affect the results. Make sure you have your problem, hypothesis, evidence, analyze the data, ask yourself if the evidence supports ur hypothesis, draw conclusions, and communicate your results!
Explanation:
Acid of x bottle is highly reactive because solute is more and acid of y bottle is less reactive because solvent is more.
