Radioactive elements will continue to decay until

they have a stable nucleus.
they have a full octet of electrons.
they have a neutral electrical charge.
they have the same number of protons and electrons.

Question

Radioactive elements will continue to decay until 
 	
they have a stable nucleus.
they have a full octet of electrons.
they have a neutral electrical charge.
they have the same number of protons and     electrons.

anonymous · Answer

@AccessDenied

anonymous · Answer

Hmm.. I think it is an A

anonymous · Answer

Is there a way you can explain..

anonymous · Answer

Well, all I knew...this element is a pure chemical substance consisting of one type of atom distinguished by its atomic number of protons in its nucleus.

anonymous · Answer

Like this process of a nucleus of a unstable atom may lose the energy which cause to decay.

anonymous · Answer

Which particles can be stopped by human skin?
 	
	only alpha particles
	alpha and beta particles
	alpha and gamma particles
	beta and gamma particles

anonymous · Answer

I think it is B

anonymous · Answer

When an atom releases gamma radiation, 

 	
	the mass number decreases by one.
	the atomic number decreases by one.
	the mass number increases by four.
	the atomic number remains the same.

anonymous · Answer

I think it is D