The relative abundances of Calcium are in the table below: Isotope
Relative Abundance (96)
Calcium-40
96.9
Calcium-42
0.7
Calcium-44

2.1
A sample of 200 atoms of calcium should contain
atoms of 40 ca
atoms of 42 Ca
atoms of 44ca

Which element would mostly likely have an electron affinity measuring closest to zero

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.