Atoms of this type tend to gain electrons to form negative ions called anions
What are metals?
The burning of butane to produce carbon dioxide and water
What is combustion?
A noble gas with 18 protons
What is ARGON
An element that forms more than one possible ion charge.
What is a multivalent metal?
The opposite of a synthesis reaction
What is decomposition?
H2, I2, Br2, O2, N2, Cl2, F2
What are molecular elements (diatomic elements)?
A nitrogen ion (N3-) has how many electrons?
What is 10 electrons?
The law of conservation of mass states that matter cannot be.........
What is created or destroyed?
What are the alkali metals?
K2Cr2O7
What is the chemical formula for potassium dichromate?
P4Br5
What is tetraphosphorous pentabromide?
This group of elements tend to NOT lose or gain electrons to form ions.
What are the noble gases?
The following balanced equation would be classified as what type 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
What is double replacement?
Fe2O3
What is the chemical formula for iron (III) oxide
What are polyatomic ions?
The number of oxygen atoms on the product side 2KI(aq)+Pb(NO3)2(aq)→2KNO3(aq)+PbI2(s)
What is 6 oxygen atoms?