Which of the following statements is true?
A) Protons are negatively charged particles.
B) Acids are substances that gain hydrogen ions.
C) Electrons are positively charged particles.
D) Matter is comprised of atoms.
Correct Answer:
Verified
Q8: A(n)_ is an atom or a group
Q9: Iron,calcium,and carbon are _.
A)elements
B)compounds
C)bases
D)solvents
Q10: In chemistry class,Karl combines hydrochloric acid with
Q11: An _ is a body structure composed
Q12: The atoms of a compound,such as sugar,are
Q14: An _ is a compound that speeds
Q15: Which of the following organs helps maintain
Q16: Which of the following statements is true?
A)An
Q17: A food has a pH that is
Q18: A substance has a pH that is
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