Stoichiometry
2H2 + O2 --> 2H2O
How many moles of H2 would be required to produce 5.0 moles of water
5.0 mols
What is Precision in Chemistry
How well a measurement can be replicated
What is the positive subatomic particle inside the nucleus
Proton
The periodic table arranges elements by the ___
Atomic Number
Write the name of the following compound
CuF
Copper(I)Fluoride
What is the mass of 2.34 moles of Carbon
28.10g
What is Accuracy in chemistry
How close a measurement is to an original value
What is the connection between Protons and Electrons in an Atom
There is the same number of Electrons and Protons in an Atom
Column Eighteen is known as the ____
Noble Gasses
Write the chemical formula for the given name
Platinum(II)Fluoride
Ptf2
Calculate the molar mass
Na2S
78.05g/m
How many Sig Figs is in 140
Two
What is an isoptope
Atoms of the same element with a different number of neutrons
Where are the transition metals found on the periodic table
D block
Write the correct name to the following chemical formula
p2O5
Diphosphorus Pentoxide
How many molecules in 6.8g of CH4
2.55x10^23 Molecules
How many Sig Figs is in 1.23x10^3
Three
What is a Half Life
How long it takes for half a radioactive sample to decay
What is the energy required to remove an electron from an atom
Ionization Energy
Determine whether the given Chemical formula is Covalent or Ionic
Ti[SO4]2
Ionic
How many grams is 9.87 moles of H2O
177.66 grams
What is the Formula to find percent error
Experimental - Accepted x 100 / Accepted
You start with 1,000 atoms of a radioactive isotope how many are left after 3 half lives
125 Atoms
The measure of how tightly an atom holds on to its electron
Electronegativity
Determine whether the given Name is Covalent or Ionic
Ammonium Oxide
Ionic