Which statement below is not correct?
A) Oxygen is a chalcogen.
B) Calcium is an alkaline earth metal.
C) Silicon is a nonmetal.
D) Sodium is an alkali metal.
E) Bromine is a halogen.
Correct Answer:
Verified
Q42: Elements 21-30 are known as _
A)alkaline earths.
B)chalcogens.
C)halides.
D)transition
Q43: The elements below are used in fireworks.
Q44: Dalton's law of multiple proportions deals with
Q45: When 10.0 g of sulfur is combined
Q46: Silicon is best described as a _
A)metalloid.
B)metal.
C)transition
Q48: Identify the letter of the group that
Q49: Elements in group 16 (VIA) are called
Q50: How many atoms of each element are
Q51: Cesium is an example of _
A)an alkali
Q52: Which one of the following statements is
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