Hydrogen mass is 1, the atom with mass number 7 is Lithium
Answer:
i think that the answer is solid liquid and gas.
Explanation:
Answer: It's 2:2
Explanation: you can look at the coefficient stands in front of the chemical
For example if they ask the ratio of oxygen to sulfur trioxide, it would be 3:2 and vice versa vv..
When scientists conduct an experiment and analyze the results, the next step is to write up a report that describes the experiment and the results and submit it for publication in a scientific or medical journal that is “peer reviewed.”
The answer is C) catalyst speed up reactions and activation energy
