I just finished my assignment and this is what I got. Try to put these in your own words. (: Hope this helps.
Answer:
so you can do the maths your self
Explanation:
isotopes are elements with he same proton number but difference in their neutron number
- proton number is also known as the atomic number
- mass number is the sum of the proton number and the neutron number
- mass number = proton number + neutron number
Answer:
substance
Explanation:
A pure substance is a form of matter that has a constant composition (meaning it's the same everywhere) and properties that are constant throughout the sample (meaning there is only one set of properties such as melting point, color, boiling point, etc
then the electrons and protons would have a even amount of negetive electric charges
Answer:
density/volume
Explanation:
Divide the object’s weight by the acceleration of gravity to find the mass.
