The elements sodium,magnesium,and silicon ________.
A) are isotopes of each other
B) are in the same period of elements
C) have the same number of neutrons
D) are in the same group
E) have the same mass number
Correct Answer:
Verified
Q31: Identify the metalloid in the following list.
A)sulfur
B)fluorine
C)silver
D)copper
E)germanium
Q32: In an atom,the nucleus contains _.
A)an equal
Q33: Semiconductors are located in the periodic table
Q34: The mass number of an atom can
Q35: The smallest particle of an element that
Q37: Consider a neutral atom with 30 protons
Q38: What is the symbol of the element
Q39: The number of neutrons in an atom
Q40: The atomic number of an atom is
Q41: What is the electron arrangement for aluminum?
A)2,8,3
B)2,8,5
C)2,8,7
D)2,8,8
E)2,8,10
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