Answer:
substance
Explanation:
A mixture is when two or more <u>different</u> atoms/molecules are together, but not joined.
A substance is when the <u>same </u>atom/molecule is in a group together.
In this example, it is a substance because it is comprised of the same molecule not joined all together. If you wanted a mixture, other colored atoms/molecule (e.g. add green atoms) would change it to this property.
Answer:
Streak is tested by scraping a mineral across plate
Explanation: Hope this helps :)
bromine
Explanation:
halogens are a group of elemnts simlar to eachother
flourine, chlorine, and bromine
X is the chemical symbol of the element
