Periodic Table
A compound made of __________ bonded to a non-metal
What is a METAL?
What is an atom?
The law of conservation of mass states
What is matter can neither be created nor destroyed?
The chemical formula for magnesium chloride
What is MgCl2
Carbon heptafluoride
What is CF7?
Usually gain electrons to form negative ions called anions.
What are non-metals?
The opposite of a synthesis reaction
What is decomposition?
Br2, H2, I2, O2, N2, Cl2, F2
What are molecular elements (diatomic elements)?
Having more than one possible ion charge
What are multivalent metals?
Reactions that produce carbon dioxide and water as products.
What are combustion reactions?
The number of protons a Carbon atom has
What is 6 protons?
K2Cr2O7
What is the chemical formula for potassium dichromate?
P4Br5
What is tetraphosphorous pentabromide?
A very reactive groups of elements, have one valence electron, and form +1 ions.
What are the alkali metals?
2KI(aq)+ Pb(NO3)2(aq)→ 2KNO3(aq)+PbI2(s) is what type of reaction?
What is double replacement?
The total of mass of protons + neutrons
What is ATOMIC MASS
Fe2O3
What is the chemical formula for iron (III) oxide
dihydrogen monoxide
What is the IUPAC name for water (H20)
A nitride ion (N3-) is formed when how many electrons are gained or lost.
What is gained 3 electrons?
The number of oxygen atoms on the reactant side of this balance chemical reaction
2KI(aq)+ Pb(NO3)2(aq)→ 2KNO3(aq)+PbI2(s)
What is SIX?