The element in this list with chemical properties similar to magnesium is ________.
A) sodium
B) boron
C) carbon
D) strontium
E) chlorine
Correct Answer:
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Q19: Ca is the symbol for _.
A)calcium
B)carbon
C)cobalt
D)copper
E)cadmium
Q20: Pb is the symbol for _.
A)lead
B)silver
C)plumbium
D)potassium
E)mercury
Q21: Which element would have physical and chemical
Q22: Which of the following descriptions of a
Q23: Consider a neutral atom with 30 protons
Q25: Consider an isotope of sodium with a
Q26: Consider a neutral atom with 30 protons
Q27: According to the atomic theory,_.
A)all atoms are
Q28: Identify the noble gas in the following
Q29: How many protons are in an isotope
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