What causes a nucleus to be unstable? Include the following vocabulary in your nuclear strong force, repulsion, proton, neutron, ratio.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical