D. The final substance in Beaker A is a mixture and in Beaker B is a pure substance.
Answer:
element made up of four (4) similar atoms.
Explanation:
An element is made up of one kind of atom. A compound is made up of 2 or more different kinds of atoms that are chemically together.
It is B. Thank you later please and do good on the test!
Answer:
Cloudy nights can be warmer than clear nights because clouds trap heat absorbed by Earth during daylight hours.
Answer:
The key difference between empirical and molecular formulas is that an empirical formula only gives the simplest ratio of atom whereas a molecular formula gives the exact number of each atom in a molecule.