NEW
Font size
WorksheetsAtomic Structure Exam Review
Total questions: 15
Worksheet time: 13mins
Who discovered the nucleus?
Ernest Rutherford
JJ Thomson
James Chadwick
Mr. Alleyn
What did the gold foil experiment help to explain?
Atoms have neutrons in the nucleus
Atoms are made of mostly positively charged material with negatively charged electrons embedded inside
atoms have electrons in probability clouds
atoms have a nucleus with most of the mass at the center
Who used the cathode ray tube to discover negatively charged electrons?
Rutherford
Einstein
Thomson
Milikan
What discovery did JJ Thomson make that proved that the atom is not indivisible?
Proton
Electron
Atomic Nucleus
Neutrons
During the gold foil experiment why didn't all the alpha particles go straight through the gold?
Some alpha particles hit electrons
Some alpha particles hit other alpha particles
Some alpha particles hit the relatively massive nucleus
Some alpha particles hit the electron cloud
What is the present model of the atom?
Bohr Model
Probability Model
Uncertainty Model
Quantum-Mechanical Model
Which of the following statements correctly describes the quantum mechanical model?
Electrons occupy circular orbits with quantized energy levels
Electrons occupy regions of space whose shape is determined by complex mathematical equations
Estimates the probability of finding an electron in a certain postion
Both B and C
How are the Bohr Model and the Quantum Mechanical Model different?
The Bohr model has electrons in circular orbits, the quantum mechanical model has them in probability clouds
The Quantum mechanical model has electrons in circular orbits, the Bohr model has them in probability clouds
The average atomic mass of Chlorine is 35.45. There are two main isotopes of chlorine, chlorine-35, and chlorine-37. Based on that information which of the following statements is correct?
There are equal amount of Chlorine-35 and Chlorine-37
There is more Chlorine-35 than Chlorine-37
There is more Chlorine-37 than Chlorine-35
There is almost no chlorine-35
Which of the following has a full outermost s and p orbital?
Period 7
Group 8A (AKA group 18, AKA noble Gases)
Inner transition Metals
Periods 4,5, and 6
Which element has an s2d5 outer electron configuration?
Mn
Fe
Ca
P
What is the outer electron configuration for Carbon?
2s2
2s22p2
2p2
Bromine has two isotopes bromine-79, and Bromine -81. 51% of bromine is Bromine-79 with a mass of 79.00 amu, 49% of bromine is bromine-81 with a mass of 81.00 amu. What is the average atomic mass of bromine?
79.98 amu
80.00 amu
160.00 amu
81.00 amu
What do all types of electromagnetic waves have in common?
Their wavelengths are the same in any material
They all have the same amplitude in a vacuum
They all travel at the same speed in a vacuum.
Their frequencies vary depending on material.
Which of these is the most energetic form of electromagnetic radiation
Gamma Rays
Radio waves
Visible light
microwaves
