Which element forms an ionic compound with the formula Na3X?
A) magnesium
B) carbon
C) iodine
D) phosphorus
E) sulfur
Correct Answer:
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Q35: Cs is the symbol for _.
A)cerium.
B)chromium.
C)calcium.
D)curium.
E)cesium.
Q36: Which of the following is NOT a
Q36: Elements 21 through 30 are known as
Q37: A phosphorus-31 atom has _ protons, _
Q39: What is the symbol for magnesium?
A)M
B)Mg
C)Mn
D)Mo
E)Md
Q40: Which of the following statements is FALSE?
A)The
Q41: Which halogen is radioactive?
A)astatine
B)polonium
C)iodine
D)tellurium
E)bismuth
Q42: What is the charge on the titanium
Q43: Zinc oxide, a combination of zinc and
Q55: Elements in group 17 (VIIA) are called
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