Cesium belongs to the ________ group of the periodic table.
A) alkali metal
B) alkaline earth metal
C) halogen
D) noble gas
Correct Answer:
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Q105: Barium belongs to the _ group of
Q106: An atom that has an atomic number
Q107: Which of the following elements has chemical
Q108: An atom of 131I contains _ neutrons.
A)53
B)184
C)78
D)124
E)131
Q109: The mass number of an atom of
Q111: Argon belongs to the _ group of
Q112: Which of the following represent isotopes?
A:
Q113: Identify the chemical symbol of element Q
Q114: In which of the following sets do
Q115: How many electrons are in the ion
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