To change only one variable which is very important than to test the experiment to match the hypothesis again, I think. It’s been a while since I was on that lesson♀️
Answer:
Lost pigment of marker when dipped in alcohol
Explanation:
dependent viable = output
so it's the output of what happens after the input.
- she put the marker in the water which is the independent variable, that's the input
- the output or the result of that decision is having lost pigment in the marker
2MgO
This is called redox reaction. Oxygen is the oxidizing agent to receive 2 electrons from Mg.
Mg is the reducing agent to give 2 electrons to O.
Mg becomes Mg2+ and O becomes O2-. These 2 ions form an ionic structure called MgO
Answer:
For example, in a molecule of aspirin, C9H8O4, there are 9 carbon atoms, 8 hydrogen atoms and 4 oxygen atoms. compound.
Explanation:
