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Some Physical Science questions...Help?
Are heterogeneous mixtures the least well-mixed of mixtures?
Chemical formulas are a shorthand way to represent ____.
What are the simplest pure substances?
In a chemical equation, the number that appears in front of the formula is called a(an)_____.
A(An)_____ uses symbols and formulas to describe a chemical reaction.
Stainless steel is a mixture of
a. iron and chromium
b. iron and calcium
c. iron and copper
d. iron and gold
Thanks.
1 Answer
- ?Lv 410 years agoFavorite Answer
1. Yes
2. Molecules of elements and compounds.
3.
4. The numbers indicate the numbers of atoms and molecules of the compounds and elements
example: 2H2+O2=H2O.
5.a chemical equation .
6. Mostly C. I am not sure:)
