Everything I'm reading says that both Gneiss AND Schist has a nonfoilated texture. Try one of them, sorry.
Answer:
homogenous
Explanation:
its a pure element, so it is a pure substance
Mg will lose 2 valance electrons to obtain octet
The sugar solution was made by mixing 12 grams of water
Answer: technetium-99.
Explanation:
This is not an answer that you can look for in a book.
You need to do some research.
You can fiind the abstract of the article titled <span>Molecular imaging of atherosclerosis using a technetium-99m-labeled endothelin derivative.</span>
The conclusion of this scientific article is that labeling with the radiosotope Tc - 99 iis feasibele to visualize the effects of an experiment inducing atherosclerosis, which gives the answer to the question posted.
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