Atoms
Atoms
#### Which of the following elements has the smallest atomic radius?
1. [x] Helium
2. [ ] Hydrogen
3. [ ] Fluorine
4. [ ] Neon
#### Which of the following is NOT a property of isotopes?
1. [ ] Same number of protons
2. [ ] Different number of neutrons
3. [ ] Different number of electrons
4. [x] Same chemical properties
#### What is the maximum number of electrons that can occupy the third energy level in an atom?
1. [ ] 2
2. [ ] 8
3. [x] 18
4. [ ] 32
#### Who was awarded the Nobel Prize in Chemistry for the discovery of the structure of the atom?
1. [x] Ernest Rutherford
2. [ ] Niels Bohr
3. [ ] James Chadwick
4. [ ] Irène Joliot-Curie
#### Which of the following elements has the largest atomic radius?
1. [ ] Francium
2. [ ] Cesium
3. [ ] Radium
4. [x] Francium
#### Which of the following elements has the lowest first ionization energy?
1. [ ] Potassium
2. [x] Cesium
3. [ ] Rubidium
4. [ ] Sodium
#### What is the name of the region surrounding the nucleus of an atom where most of the atomic volume is located?
1. [ ] Nucleus
2. [ ] Electron cloud
3. [ ] Atomic orbital
4. [x] Atomic shell
