Answer:
Na (Sodium)
Explanation:
Sodium is a metal, and when combined with Chlorine (which is a non-metal) it creates an ionic compound
Answer: single replacement reaction, 
Explanation:
A single replacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution.
A general single displacement reaction can be represented as :

As strontium metal is added to aluminum chlorate , strontium being more reactive than aluminium, displaces aluminium atom its salt solution and lead to formation of strontium chlorate and aluminum metal.

Answer:
Then, when students pulled the plastic through their fingers, electrons from their skin got onto the plastic. Since the plastic has more electrons than protons, it has a negative charge.
<u>Have a good morning, afternoon, or night!</u>
<u></u>
~<u>Dreamer1331</u>~
<u>*Please mark brainliest when possible and if you feel i deserve it, thank you!*</u>
Answer:
products have a higher potential energy than the reactants
Explanation:
The total potential energy of the system increases for the endothermic reaction as the system absorbs energy from the surroundings. The total potential energy of the system decreases for the exothermic reaction as the system releases energy to the surroundings
I think it's fertilisation (^^)