Answer:
synthesis
Explanation:
The reaction equation properly written is shown below:
4Al + 3O₂ → 2Al₂O₃
A synthesis reaction is a form of combination of atoms. It involves the formation of a single product from two or more reactants.
Decomposition is the formation of two or more products from a single reactant.
Single replacement is a reaction in which one substance is replacing another.
In double displacement, there is an actual exchange of partners to form new compounds.
Answer:
We cannot see the atom so we are unable to answer this question for you.
Create another one.
Answer:
Maybe to hold the whole parts of the cell
Answer:
Physical and chemical changes are different because one deals with changes to ones shape or form, while chemical is changing one substance to another.
Explanation:
A example of a physical change would be cutting a block of wood into a cube of would, its physical change changes from a block to a cube. A chemical change is changing the substance into another substance so for example, burning that cube of wood in a fire. The fire is burning the wood into ash meaning it's no longer wood but ash.
Hope this helps.
Answer:
400 meters every 20 seconds
Explanation: