Multiple Choice
Which pair of elements can be classified as noble gases?
A) H and He
B) Na and K
C) Kr and Ar
D) N and O
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q29: The systematic (IUPAC) name of NaClO<sub>4</sub> is:<br>A)
Q30: The most dense elements tend to be
Q31: Elements in a periodic family tend to
Q32: The correct molecular formula for lead nitrate
Q33: The Group II metals (Be, Mg, Ca,
Q35: CaCl<sub>2</sub> is an example of a(n):<br>A) covalent
Q36: The _ provides a ratio of atoms
Q37: If an ion contains 33 protons, 39
Q38: CH<sub>3</sub> − O − CH<sub>3</sub> is an
Q39: The correct molecular formula for strontium chloride