Answer:
single replacement reaction
Explanation:
This is a kind of single replacement reaction where you switch either cations or anions. Here you switched Ca for H and produced Cacl2 and H2 gas by itself.
Mass Number = Proton + Neutron = 2 + 3 = 5
Answer:
A
Explanation:
The number of protons indicates the element so we know it's potassium. To get the number of neutrons you subtract the number of protons (19) from the mass number which for potassium is 39.
39-19=20 neutrons
Because you have 18 neutrons then yours would be an isotope.
The different forms of a gene that decides a characteristic are known as Alleles.
A feature that has different forms in a population are Characteristics.
I believe these are the answers, hope I helped!
✷ Question: <span>If nothing ever eats a hawk, what might eventually happen to the energy that is stored in its body?
</span><span>✐ Answer: When the hawk passes away, the body will decompose like all living creatures. The hawk's energy throughout the body will be pumped back to the system, forming a lot of energy. </span>
<span>Hope that helps! ★ If you have further questions or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia</span>