Ca is the symbol for ________
A) cesium.
B) cobalt.
C) cadmium.
D) calcium.
E) cerium.
Correct Answer:
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Q33: An unknown element is found to contain
Q34: The Curiosity rover now on Mars analyzed
Q35: What is the symbol of the ion
Q36: He is the symbol for _
A)hydrogen.
B)hafnium.
C)mercury.
D)helium.
E)holmium.
Q37: There are three major isotopes of silicon:
Q39: A hypothetical element has two stable isotopes:
Q40: Which statement regarding the organization of the
Q41: Iron is best described as a(n) _
A)metalloid.
B)transition
Q42: Elements 21-30 are known as _
A)alkaline earths.
B)chalcogens.
C)halides.
D)transition
Q43: The elements below are used in fireworks.
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