01 Matter and Energy
This is an Example of intensive property
what are Color, Melting Point, Boiling Point, Temperature , Electrical Conductivity
What is the number of protons, neutrons, and electrons in a neutral atom of chromium-60
24 protons
36 neutrons
24 electrons
what is one of the differences between Paramagnetism vs Diamagnetism
Paramagnetism: one or more unpaired electrons; attracted by a magnetic field
Diamagnetism: Paired electrons; weakly repelled by magnetic field
The shared between a positive ion and a negative ion
ionic bond
What is the hybridization of CH4
sp3
These Groups are Transition Elements
what is Groups 3-12
Which group has elements that have a 3- charge?
Group 15
Atomic Spectra are due to changes in the energy of?
Electrons
what is the chemical formula for manganese (II) carbonate?
what is MnCO3
What is the molecular geometry of CO2
Linear
This Element is located in Group 4A and Period 3
What is Silicon (Si)
Molecular mass for Sulfur dioxide ( SO2)
64.063u/molecule SO2
Trend in Increasing Atomic Radii
Increase down a group and decreases across a period on the periodic table
↓
↓ ← ←
The name of FePO4
What is iron (III) phosphate
This type of distraction has an uneven distribution of electron density
polar molecules
The Elements Fluorine, Chlorine, Bromine, Iodine, and Astatine all belong to the ____ family ( common name NOT Group #)
What is Halogen
The mass of an atom is primarily determined by the mass of its _____?
Protons and Neutrons
Arrange Argon, Magnesium, and Phosphorus in order of increasing first ionization energy
Phosphorus < Magnesium < Argon
when an electron is shared to the nuclei of two atoms at the same time.
covalent bond
Bond order for NO
2.5
What is an exothermic process?
a process involving the release of energy
How many atoms of titanium are there in 1.52 mole of Ti3O5
2.75x1024 Ti atoms
Whose experiment or finding suggested that atoms are mostly empty space?
Rutherford's Gold Foil
what does an atom have to do to become a negatively charged ion
gain electrons
As the strength of intermolecular forces decreases, vapor pressure will ___
increase