tax1040

Assuming the PAV allele is the original one what types of mutations have changed the PAV allele into the AVI allele

Classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

a) copper wire
b) copper ore
c) copper oxide
d) brass alloy

Classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

a) silver ingot
b) silver ore
c) silver oxide
d) silver alloy

Write the chemical symbol for each of the following elements:

a) strontium
b) xenon
c) oxygen
d) zinc
e) fluorine
f) sodium
g) copper
h) nickel