It is important to know the difference between atoms, ions. and isotopes. Choose all of the correct answers. An atom of oxygen and the ion of oxygen both have 8 protons.
Electrons must be removed from a carbon atom to form an isotope.
The atomic mass of metals is calculated differently that the atomic mass of nonmetals.
As you add or remove neutrons from the nucleus, isotopes are formed.
The most massive subatomic particles are electrons.
The isotope of carbon and the atom of nitrogen both have / protons in the nucleus.
Atomic

Idon't know hope someone you

The answer is nitrogen-containing bases

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.

Aquantity of that isotope to decay to 1/2 of  its original value