Which element is found in Group 2 - in Period 4?
A) magnesium, Mg
B) zinc, Zn
C) calcium, Ca
D) potassium, K
Correct Answer:
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Q35: What experimental evidence served as a basis
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Q38: The modern periodic table is based on
Q39: Which is not a property of nonmetals?
A)
Q41: Group 2 elements, M, react with oxygen,
Q42: The reason for your answer in the
Q43: Which is not true about metals?
A) good
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Q45: Which of the following is a transition
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