What is the charge of the nucleus of element 89? (enter your answer using the format +1 and -2.)
show me how you got this for i only have one try left
all i do know is it is positively charged

What must happen before a body cell can begin mitotic cell division

What are the first three quantum numbers for the electrons located in subshell 2s?

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons