Why MgO will form after Mg reacting with CuO? (mcq) Mg forms positive ions and O forms negative ions
Mg is more reactive than Cu
CuO have loose bonding

Compare and contrast physical changes with chemical changes.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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