Which half-reaction correctly represents reduction?
(1) mn4+ ==> mn3+ + e-
(2) mn4+ ==> mn7+ + 3e-
(3) mn4+ + e- ==> mn3+
(4) mn4+ + 3e- ==> mn7+

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

What is a property of a double replacement reaction

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