Radioactivity
An ion has a different number of _________ than protons
Electrons
Electrons exist in _____________ ________________.
Energy levels
An elements reactivity may depend on its number of _____________ ________________.
Valence electrons
This type of reaction always forms water and Carbon Dioxide.
Combustion
What are the three types of intermolecular forces?
London Dispersion force, Dipole Dipole, and Hydrogen bonding
Explain what fusion is.
Light elements combining
Which type of electromagnetic radiation has the HIGHEST frequency?
Gamma Rays
Which has a higher ionization energy? Li or O?
The type of bond that occurs when electrons are SHARED
Covalent
Endothermic
Which isotope of Carbon is most likely to be unstable?
Carbon 14
Wave and a particle.
Left to right across a period, what happens to electronegativity?
Which group of elements is MOST LIKELY to react with elements from the alkali metal group?
Halogens
If a reaction has a total enthalpy of -395857kJ/mol, what kind of reaction is it?
Exothermic
What are the 3 types of radioactive decay?
Alpha Decay
Beta Decay
Gamma Ray Emission
The wavelength of light released from an excited electron depends on the __________ of energy between the energy levels.
Difference
Down a group, what happens to atomic radius?
Increases
What kind of reaction is this?
1 FeBr2 + 2 AgNO3 → 1 Fe(NO3)2 + 2 AgBr
Double replacement
What is the empirical formula for C6H12O6?
CH2O
Elements above what atomic number are all radioactive?
82
When high energy light hits a surface, electrons are ejected. This is called the ________________ ____________..
Photoelectric effect.
Which trend can be described as an atom's "desire" to gain an electron?
Electron affinity
Name the following compound:
CS2
Carbon Disulfide
Which intermolecular force would you expect to be in the compound CO2
LDF ONLY- it is nonpolar because it is symmetrical