I am pretty sure u have pictures and this one should be the one that erika should make
Answer:
single displacement
Explanation:
the Fe was switched out with the C. they are the only ones that switched, making it a single displacement
Mercury is a homogenous mixture of two or more pure substances
The more protons you add, the more positively charged the atom becomes
the charge of an atom determines what kind of an atom it is <span />
Answer:
1g or 10^-3kg
Explanation:
as you know , the density =mass \volume
so you have the mass from the number it self
<h2>

so from this equation, you will get 1 g and you can to SI to be
kg</h2>