Atomic structure Flashcards
1
Q
where does the word atom come from in greek
A
cannot be cut
2
Q
what 3 things build an atom
A
- protons
- neutrons
- electrons
3
Q
Protons
A
- build a form of a ball with the neutrons
- are positively charged
4
Q
Neutrons
A
- build a form of a ball with the neutrons
- no charge
5
Q
Electrons
A
- as tiny dots in relatively vast space
- are the negatively charged electrons
6
Q
Isotope
A
- Atoms of the same element with different numbers of neutrons.
7
Q
Atomic mass
A
- The mass of a specific atom, given for the specific isotope of an element.
8
Q
Heavy water
A
- the same as normal water, the only difference is that it has more mass
- this can be because of the isotope
