1. How many GRAMS of copper(II) fluoride are present in 1.63 moles of this compound? grams.
2. How many MOLES of copper(II) fluoride are present in 2.38 grams of this compound?
moles.

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

Which characteristics can be used to differentiate star systems? check all that apply.

Amixture with the same composition throughout is!