2.1 atomic structure Flashcards
1
Q
What is an isotope?
A
Atom of the same element with a different number of neutrons
2
Q
What is a valence electron?
A
Electron on the outer shell
3
Q
Why are valence electrons important?
A
They bond in chemical reactions
4
Q
Why are isotopes important?
A
They can be used for carbon dating, determining how hot an area was thousands of years ago, and determining the radioactivity of something
5
Q
What are electrons?
A
Negatively charged subatomic particles in atom
6
Q
What do electrons do?
A
They are what moves around or what is shared in a chemical reaction.
7
Q
How many electrons does carbon have?
A
6
8
Q
How many protons does carbon have?
A
6
9
Q
how many neutrons does carbon have?
A
6
10
Q
A
