Multiple Choice
Which of the following elements are actinides?
A) Ti and Cr
B) U and Np
C) Sm and Er
D) Kr and Xe
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
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
Q40: Free radicals such as <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8709/.jpg" alt="Free
Q41: Gallium, arsenic, and silicon are used as
Q42: Which species contains 9 protons?<br>A) (<sup>16</sup>O)<br>B) (<sup>19</sup>F)<br>C)
Q43: The chemical symbol for nitrite is NO<sub>3</sub><sup>1
Q45: The atomic mass of an atom is