Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
A proton has a mass of |
1 |
|
|
A proton has a charge of |
+1 |
|
|
A neutron has a mass of |
1 |
|
|
A neutron has a charge of |
0 |
|
|
An electron has a mass of |
almost 0 |
|
|
An electron has a charge of |
-1 |
|
|
the atoms of an element conatain ________ protons and electrons |
equal |
|
|
Atomic number = |
number of protons |
|
|
How many protons does Lithium have |
3 Atomic number = 3 |
|
|
How many protons does Chlorine have |
17 Atomic number = 17 |
|
|
The mass of an atom is |
number of protons + number of neutrons |
|
|
Aluminium has a mass number 27 and an atomic number of 13 calculate the number of protons, neutrons and electrons |
protons 13 electrons 13 neutrons 14 |
|
|
Electron are arranged in... |
Energy levels (Energy rings) |
|
|
The first energy level can hold... |
2 electrons |
|
|
The second energy level can hold... |
8 electrons |
|
|
The third energy level can hold... |
8 electrons |
|
|
Protons (atomic number) - electrons = |
charge |
