Answer:
80.04 gram
Explanation:
mass = moles × relative formula mass
= 0.58×138
= 80.04
Try adding a picture :)
Otherwise I have no idea what options there are!
Answer:
A. Able to be lost or gained in chemical reactions.
Explanation:
Only electrons are lost or gained.
Answer: An alloy is made up of two kinds of metals. This alloy is uniform in appearance. This material would be classified as a homogeneous mixture
I think the correct answer from the choices listed above is option C. The feature of a smartphone that is made by metalloids would be the small size. Metalloids are used as semiconductors which can be in small sizes that makes phones handy. Hope this answers the question. Have a nice day.
