Matter
Two elements react to form this kind of substance.
What is a compound?
barium chloride
What is BaCl2?
forms 1+ ions
What are alkali metals?
This is the solid that forms when a reaction occurs in solution.
What is a precipitate?
Rutherford's gold foil was hit by these.
What are alpha particles?
This is the type of change that occurs when paper burns.
What is a chemical change?
calcium hydroxide
What is Ca(OH)2?
Ionization energy decreases as you move this way on the periodic table.
What are down a group and and right to left across a period?
an element reacts with a compound
What is a single replacement reaction?
These are made of 2 shared electron pairs.
What are double bonds?
What is the solid phase?
BaCl2
What is barium chloride
This element has properties similar to lithium.
What are sodium, potassium, rubidium, cesium, or francium?
When an acid (HX) and a base (YOH) react to form a salt and water.
What is a neutralization reaction?
O=C=O
What is carbon dioxide?
When salt helps water to melt.
What is a physical change.
Mg2+ and ClO31-
What is magnesium chlorate?
Draw the Lewis Structure for LiF
See answer on board.
This has oxygen as a reactant.
What is a combustion reaction?
HO is the ___________of H2O2
What is empirical formula?
These do not depend on how large a sample of a substance is present.
What are intensive properties?
N2O5
What is dinitrogen pentoxide?
[Ar] 4s23d104p2
What is germanium?
What are the coefficients when the following reaction is balanced?
Zn + Pb(NO3)4 --> Pb + Zn(NO3)2
What are 2,1,1,2?
A sample of Element X is 93% X-38 and 7% X-40. Calculate the average atomic mass.
What is 38.14 amu?