Hydrogen (H) was first, followed by helium (He).
Answer:
The boiling point of water is a physical property and is equal to 0 C.
The Correct Answer is : C
Titanium has an atomic number of 22, which means it has 22 protons and 22 electrons. About 73.8 percent of natural titanium exists as the isotope Ti-48, which contains 26 neutrons.
Answer:
A
Explanation:
In chemistry, a mixture is a material made up of two or more different substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.
I’m not totally sure but I think the answer is B
