Finding neutrons = Mass number - proton number.
For finding neutrons for phosphorus = 31-15
=16.
Answer: Fossils
Explanation: fossils are any preserved remains are plants or animals
Answer:
Specific heat is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Explanation:
Answer: density equals 3 g/mL
Step by step explanation:
D=m/v
D=45/15
D=3
A:The half-life should be similar to the age of the object.
Explanation:
Hopefully this helps!