Radioactivity
Light and the atom
Periodic Trends
Simple reactions
Intermolecular Forces/Bond Energy
100

An ion has a different number of _________ than protons

Electrons

100

 Electrons exist in _____________ ________________.

the electron cloud 

100

An elements reactivity may depend on its number of _____________ ________________. 

Valence electrons 

100

This type of reaction always forms water and Carbon Dioxide.

Combustion

100

What are the three types of intermolecular forces?

London Dispersion force, Dipole Dipole, and Hydrogen bonding

200

Explain what fusion is.

Light elements combining 

200

Which type of electromagnetic radiation has the HIGHEST frequency?

Gamma Rays

200

Which has a higher ionization energy? Li or O?

O, because IE increases left to right (it is harder to remove an electron.)
200

The type of bond that occurs when electrons are SHARED

Covalent

200
When chemical bonds are BROKEN, the process is 

Endothermic

300

Which isotope of Carbon is most likely to be unstable?

Carbon 14

300
Light has a dual nature. It is both a ___________ and a _____________. 

Wave and a particle.

300

Left to right across a period, what happens to electronegativity?

Increases
300

Which group of elements is MOST LIKELY to react with elements from the alkali metal group?

Halogens

300

If a reaction has a total enthalpy of -395857kJ/mol, what kind of reaction is it?

Exothermic

400

What are the 3 types of radioactive decay? 

Alpha Decay 

Beta Decay 

Gamma Ray Emission

400

The wavelength of light released from an excited electron depends on the __________ of energy between the energy levels.

Difference

400

Down a group, what happens to atomic radius? 

Increases

400

What kind of reaction is this?

1 FeBr2 + 2 AgNO3 → 1 Fe(NO3)2 + 2 AgBr

Double replacement 

400

What is the empirical formula for C6H12O6?

CH2O

500

Elements above what atomic number are all radioactive?

82

500

When high energy light hits a surface, electrons are ejected. This is called the ________________ ____________.. 

Photoelectric effect. 

500

Which trend can be described as an atom's "desire" to gain an electron? 

Electron affinity 

500

Name the following compound: 

CS2

Carbon Disulfide

500

Which intermolecular force would you expect to be in the compound CO2

LDF ONLY- it is nonpolar because it is symmetrical

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