2.2QA-Review

From Mbscientific_wiki

2.2 QA Review

1- The number of electrons in an atom correspond in a one to one manner with the number of ___ in the nuclei: a- neutrons b- protons

2- Which of these statements are true: a- electrons form arbitrary clouds around the nucleus with no regard for energy b- electrons can fill orbitals at discrete (quantized) energies

3- Electron orbitals are defined by the: a- number of neutrons in the nuclei b- electron quantum states

4- Electrons fill higher orbitals according to: a- increasing energy scale b- decreasing energy scale c- energy doesn't matter

5- Electrons can jump to higher orbitals by: a- dropping energy b- gaining energy c- energy doesn't matter

6- Electrons can jump to lower orbitals by: a- giving off heat b- giving off photons at specific energies (frequencies)

7- Which of these statements are true: a- many electrons can fill the same quantum state b- only one electron can fill a given quantum state

8- How many quantum numbers are there: a-3 b-4 c-5

9- Which of these statements are true: a- you can derive the periodic table of elements by iterating through the quantum numbers a- you can not derive the periodic table of elements by iterating through the quantum numbers

10- Which of these statements are true: a- the shape of electron orbitals define the shape of the atom in space b- electron orbitals do not have specific shapes

Answers

1-b, 2-b, 3b, 4-a, 5-b, 6-b, 7-b, 8-b, 9-a, 10-a