Atomic History/P.N.E.
Isotope Notation
Isotopes & Average Atomic Mass
Nuclear Reactions
Electromagnetic Spectrum
Miscellaneous
100
This subatomic particle that determines an element's identity.
protons
100
The atomic number of this atom: chlorine-35
What is 17?
100
What do isotopes have in common and what differs between them?
Same: protons, electrons
Different: neutrons, mass number
100
The order of radiation from least penetrating to most.
alpha, beta, gamma
100
This color has the shortest wavelength of visible light
violet
100
A particle that carries a charge is called what?
An ion
+=cation
-=anion
200
The mass, charge, and location of each subatomic particle.
p+: 1 amu, 1+, in the nucleus
n0: 1 amu, 0, in the nucleus
e-: 0 amu, 1-, in the electron cloud
200
53
200
Lithium has two naturally occurring isotopes: lithium-6 and lithium-7. If the average atomic mass of lithium is 6.941 amu, which isotope is the most abundant?
Li-7
200
Does the following reaction represent fission or fusion?
Fission
200
Which has a higher energy: radio waves or infrared?
infrared
200
In order to form a positive ion, what must occur?
Lose 1 or more electrons
300
The number of protons, neutrons, and electrons in the following ion
iron-56
p+:26
n0: 30
e-: 26
300
Total number of electrons in the following ion:
What is 10?
300
Estimate the average atomic mass of sulfur if 95.00% of all sulfur atoms have a mass of 32 amu, 0.76% have a mass of 33 amu, and 4.22% have a mass of 34 amu.
a little above 32 amu (32.02-32.3)
300
Does the reaction below represent fission or fusion?
Fusion
300
Light with a _________ wavelength has more energy
shorter
300
What causes an isotope to be radioactive?
an unstable nucleus
400
The number of protons, neutrons, and electrons in the following ion
magnesium-25 2+
p+:12
n0: 13
e-: 10
400
The total subatomic particles in nucleus:
What is 63?
400
Calculate the average atomic mass of Iridium
What is 192.2 amu?
400
What goes into the blank?
42He
400
When does an atom release energy in the form of light?
When an electron moves from a higher energy level (excited state) to a lower energy level.
400
Atoms are electrically _____________.
Neutral
500
Put the following atomic model in chronological order
Billiard Ball
Plum Pudding
Planetary (Rutherford)
Bohr
Electron Cloud (most current)
500
Total subatomic particles:
What is 32?
500
Titanium has five common isotopes: 46Ti (8.0%), 47Ti (7.8%), 48Ti (73.4%), 49Ti (5.5%), 50Ti (5.3%). What is the average atomic mass of titanium?
47.92 amu
500
What goes in the blank?
0-1e
500
Which elements make up the mixture based on the emission spectra shown below
lithium & strontium
500
How can you tell that an element has no stable isotopes?
The atomic mass of the element is listed in parenthesis on the periodic table