Answer:
Have different numbers of neutrons
Explanation:
Isotopes of an element have different atomic numbers because thy differ in neutron number even though proton number remains the same across the isotopes. The mass number is the summation of the proton and neutron number. Phosphorus has approximately 23 isotopes whose mass number range between 25 and 47. Only ³¹P is stable.
When bonding occurs a new substance with new properties is formed.
The relative balance within an optimal range also known as homeostasis
Answer:
2
Explanation:
hrydo means water so it would be 2
