What does "X" represent in the following symbol? 
X
A) silicon
B) sulfur
C) zinc
D) ruthenium
E) nickel
Correct Answer:
Verified
Q2: Which of the following statements is FALSE
Q3: Identify the description of an atom.
A) neutrons
Q8: Which of the following represents a hypothesis?
A)
Q11: All samples of a given compound,regardless of
Q16: The Scientific Method
A)is just a theory.
B)is a
Q19: When two elements form two different compounds,the
Q19: Identify the characteristics of a liquid.
A) definite
Q20: A substance that can't be chemically broken
Q20: The mass number is equal to
A) the
Q25: Identify the charges of the protons,neutrons,and electrons.
A)
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