The items that are true of early nuclear science are "the first nuclear reactions were done in the 1880s" and "the first nucleus split was uranium-235." <span>The answers are letters A and D. It is impossible that nucleus was lost during the reaction as it will not follow the law of mass conservation.
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Answer:
I^3, aFeO BfEi^3 O, c, dFe^2 O^3
Explanation:
Answer:
n= -13
Explanation:
-22 = -9 + n
first flip the equation
n + -9 = -22
then add 9 beacuse we need to do the opposite to find n
so -22 + -9 = - 13
so n = -13
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D) Silicon is an example of a metalloid.
It has some of the properties of metals and some of the properties of nonmetals.
In the Periodic Table, metalloids sit on either side of a zig-zag line separating metals from nonmetals.
In the diagram below, Fe and Au are metals, while He is a nonmetal.
