Multiple Choice
The symbol of the element with 23 protons is
A) Mg.
B) Na.
C) V.
D) B.
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q31: Which characteristics correctly describe a proton?<br>A)approximate mass
Q32: What fourth period element is represented by
Q33: Which of the following subshells consists of
Q34: Elements in the Periodic Table are arranged
Q35: How many electrons can occupy the 2s
Q37: The element with the electron configuration 1s<sup>2
Q38: The atomic number of an atom containing
Q39: At maximum,an f subshell can hold _
Q40: Naturally occurring iron contains 5.82% <sup>54</sup>Fe,91.66% <sup>56</sup>Fe,2.19%
Q41: Which group contains only metalloids?<br>A)Ni,Pd,Pt<br>B)Si,Ge,As<br>C)Ce,Pr,Nd<br>D)Kr,Xe,Rn<br>E)Po,Fr,Ac