What is the center of an atom called?
Nucleus
What number tells you the number of protons and electrons?
Atomic number
what type of reaction is this?
Mg+Fe2O3<Fe+MgO
Combustion
what type of reaction is this ?
Ca(OH)2 + AI2(SO4)3 -> CaSo4 + AI(OH)3
double-replacement
what is a polar bond?
electrons are attracted to when nearby the adhesion surface
What is the charge of an electron?
Negative charge.
what side of the periodic table contains the non metals?
right.
What type of reaction is this?
C2H4+O2<CO2+H2O
Combustion.
what type of reaction is this
2NH3 + 3I2 -> N2I6 + 3H2
single replacement
What is a non-polar bond?
is a covalent bond in which electrons are shared equally by both atoms.
How many electrons are on the first orbital?
2
How do you find the atomic mass?
mass number + neutrons
what is a annion ?
a ion with a negative charge
what type of reaction is this ?
NaBr + H3PO4 -> Na3PO4 + HBr
double-replacement
What is a covalent bond?
The attraction that forms between atoms when they share electrons
What is the maximum number of electrons on the orbitals?
8
What is the 30th element?
Zinc
What is the process of losing electrons called ?
Oxidation
balance this equation: PbSO4 -> PbSO3 + O2
What is a ionic bond?
is the force of attraction between the opposite charges of the ions in an ionic compound
If you were to add 3 orbitals together how much neutrons would you have
18
What are three noble gases?
Radon, Krypton, Neon, etc.
what is a cation ?
a ion with a positive charge
balance this equation:
h2SO4 + NH4OH -> H20 + (NH4)2SO4
trick question- this equation is already balance!
what elements generally make an ionic bond ?
metals and non metals