Question

Using the periodic table, which isotope is probably the most abundant isotope of potassium (K)? 41 K 39 K 38.10 K 19 K 40 K Lithium forms compounds which are used in dry cells and storage batteries and in high-temperature lubricants. It has two naturally occurring isotopes, Li (atomic mass = 6.015121 amu) and 7Li (atomic mass 7.016003 amu). What is the percent abundance of lithium-6? You should use the periodic table to help you answer this. 7.5% 92.5% 86.7% 46.2 % 6.1% Which of the following elements indicated would be considered inert gases? Mark all that apply. PQ R Y L P R X Y 7 Calcium is a transition metal as is indicated by its location in the periodic table. True False

Answer 1

Most abundent isotepe 0 K & 321 FOr Li C6-015922x)(7r03to)0) - T h0: 604-1-- 1000882701. Lo03 7.5 7.5% The ansver The here das s faise