H2O is an example of a(n)
A) ionic formula.
B) glucose molecule.
C) compound.
D) ion.
E) covalent formula.
Correct Answer:
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Q20: Helium (HE) has an atomic number of
Q21: The molecule CO2 is known as
A) carbonized
Q22: The molecule O2 is known as
A) oxide.
B)
Q23: Atoms of the same element whose nuclei
Q24: Ions with a + charge are called
A)
Q26: The chemical behavior of an atom is
Q27: A dust particle floating on a water
Q28: Electrons in an atom occupy an orderly
Q29: The molecule H2 is known as
A) hydrohydrogen.
B)
Q30: Which of the following is not a
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