Atomic Structure
Periodic Table
Nuclear Chemistry
Bonding
Miscellaneous
100
Number of protons, neutrons and electrons
Fluorine-19
9 protons
10 neutrons
9 electrons
100
How is the periodic table organized?
By increasing atomic number
100
type of emission that emits an electron
beta decay
100
Metals tend to ____ electrons to form _____.
Nonmetals tend to ____ electrons to form ____.
Metals tend to LOSE electrons to form CATIONS.
Nonmetals tend to GAIN electrons to form ANIONS.
100
Which of the following are most likely to lose electrons to form an ionic compound?
Selenium, lithium, copper, bromine
Lose electrons - metals
Lithium and copper
200
What is the valence number and charge of the ion formed by this element?
Aluminum ---> Valence = group number = 3
Charge = 3+
200
What is the shorthand electron configuration for selenium?
[Ar] 4s2 3d10 4p4
200
Particle released during alpha decay
Helium
200
Gallium
Valence #?
Charge?
Cation/Anion?
valence is 3
Charge is 3+
Cation
200
Predict the formula between a group 1 element, X, and a group 5 element, Y.
X3Y Criss cross X1+ Y3-
300
What type of bond would form between this element and sulfur? What would the formula be?
Metal and nonmetal ---> Ionic
Criss cross charge Al3+ S2- ---> Al2S3
300
What is the highest occupied energy level and orbital for the electrons in a potassium atom?
4s
300
What is the difference between fission and fusion?
Fission - a heavy atom splits into two smaller atoms
Fusion - two smaller atoms combine into one larger atom
300
What is the name and formula for a compound created between magnesium and chlorine?
Magnesium chloride
Mg2+Cl1- ----> MgCl2
300
Carbon and hydrogen are held together with ________ bonds formed when electrons are _______ between a ________ and a ____________
covalent
shared
nonmetal and nonmetal
400
Scientist who
1. Discovered nucleus
2. discovered electron
Nucleus - Rutherford
Electron - JJ Thomson
400
What is the group name to which calcium belongs?
Name two elements that have similar properties to calcium.
Is calcium in s, p, d, or f block?
Alkaline Earth Metals
Be, Mg, Sr, Ba, or Ra (same group has similar properties)
s block
400
What are the products when plutonium-245 undergoes alpha decay?
245 94 Pu ---> 42 He + 24192 U
400
Predict the formula and name of a covalent compound formed between nitrogen and fluorine.
Nitrogen trifluoride
NF3
400
Identify as polar, nonpolar or ionic
C (2.5) and H (2.1)
Na (0.9) and Fluorine (4.0)
Hydrogen (2.1) and chlorine (3.0)
C and H 0.4 nonpolar
Na and F 3.1 Ionic
H and Cl 0.9 polar
500
What type of bond would form between these elements? Name the compound formed.
Two nonmetals = Covalent bond
Carbon and Fluorine ---> Carbon tetrafluoride
500
Rules being broken
Hund's rule
Aufbau principle
500
What are the products when copernicium-285 undergoes beta decay?
285 112 Cn ---> 0-1e + 285113Nihonium
500
Give an example of a diatomic that is held together with...
1) a single bond
2) a double bond
3) a triple bond
1) H2, F2, Cl2, Br2, or I2
2) O2
3) N2
500
Give the names of the following
N2O
Na2SO3
Na2Se
dinitrogen monoxide
sodium sulfite
sodium selenide