Chapter 2
Mass divided by Volume
What is Density?
A hot air balloon rises because of this gas law.
What is Charles' Law?
The ability to pound a metal into a flat sheet.
What is malleable?
The chemical bond formed between a metal and a non-metal.
What is an ionic bond?
The coefficient in front of Al in the balanced reaction... Al + Br2 ---> AlBr3
What is 2?
The type of chemical reaction that absorbs heat energy.
What is an endothermic reaction?
A substance with a definite volume but no definite shape.
What is a gas?
A positively charged particle with two protons and two neutrons.
What is an alpha particle?
A covalent bond in which electrons are shared unequally.
What is a polar bond?
The coefficient in front of O2 in the balanced reaction... P4 + O2 ---> P2O5
What is 5?
A characteristic of a pure substance that can be observed without changing it into another substance.
What is a physical property?
The relationship between volume and pressure according to Boyle's Law.
What is inverse variation?
The electron model that states that electrons exist at specific orbits around the nucleus.
What is the Bohr model?
The dots in an electron dot diagram represent this subatomic particle.
What are electrons?
The coefficient in front of Sn in the balanced reaction... SnO2 + H2 ----> Sn + H2O
What is 1?
A characteristic of a pure substance that describes its ability to change into different substances.
What is a chemical property?
Form a regular, repeating pattern and have a distinct melting point.
What are crystalline solids?
The information contained in the atomic number.
What is the number of protons?
Compounds that have relatively low melting points and don't conduct electricity when dissolved in water.
What are covalent compounds?
The coefficient in front of HgI2 the balanced reaction... AlI3 + HgCl2 ---> AlCl3 + HgI2
What is 3?
What is potential energy?
The change from a liquid to a gas.
What is vaporization?
Fluorine, Bromine, Chlorine, Iodine.
What are halogens?
The part of the periodic table (row or column) with the same number of valence electrons.
What are columns or groups on the periodic table?
The coefficient in front of CO2 the balanced reaction... C6H6 + O2 ---> CO2 + H2O
What is 12?