The element oxygen has this many valence electrons
What element typically forms covalent bonds despite being in group 1
What is hydrogen
What is Avogadro's number including units
What is 6.022 x 1023 atoms/mol
What is the first step to any stoichiometry question?
_________ the __________
What is Balance the Equation
When doing mass to mass stoichiometry, what number is necessary to get from grams to moles?
What is molar mass
Of the following elements, ______ is the most electronegative
Sn, Sb, Se, S
What is S
The formula for the neutrally charged compound formed between calcium and iodine
What is CaI2
If I have 12 grams of Carbon is equal to ______ moles of carbon
What is 1 mole
What coefficients would be needed to balance the following reaction?
N2 + H2 ----> NH3
What is 1,3,2
What would be the answer to this question
(3/1)x(7.9/1)x(2/3)x (45/1)
What is 711
Elements in Group 1 form neutrally charged elements with a single element from this group
What is group 17
What is the charge on the anion during the ionic bonding of sodium (Na) and Bromine (Br)
What is -1
Determine the number of atoms in 0.2 moles of germanium (Ge)
What is 1.2 x 1023 atoms
What would be the correct balanced equation:
Fe + O2 ----> Fe2O3
A) 4Fe + 6O ----> Fe4O6
B) 4Fe + 3O2 ----> 2Fe2O3
C) These are equivalent
What is B
Mg + 2HCl -----> MgCl2 +H2
If 6 moles of hydrochloric acid are reacted with an excess of magnesium, how many moles of hydrogen gas will be produced?
What is 3 moles
A covalent bond is formed between elements known as
What is nonmetals
What would be the molecular geometry shape formed by BCl3
What is trigonal planar
What would 5x1028 / 2 x1024 be in standard notation
What is 25,000
The way we get rid of half molecules when balancing equations so that we only have whole number coefficients.
What is multiply all coefficients by 2
The following equation is balanced:
2H2 + O2 -----> 2H2O
If 25 grams of hydrogen gas reacts with excess oxygen gas, how many grams of water will be produced?
What is 223 grams of water
What is the molecular mass of SiBr4 including units
What is 347.7 g/mol
Which of the following represents an ionic bond?
MgH2
RbCl
CO2
HCN
What is RbCl
How many atoms are in 2.2 grams of phosphorus?
What is 4.276 x 1022 atoms
What would be the coefficients to balance the following reaction?
BF3 + Li2SO3 -------> B2(SO3)3 + LiF
What is 2,3,1,6
The following equation is unbalanced.
B2Br6 + HNO3 ------> B(NO3)3 + HBr
If 8 grams of HNO3 react with B2Br6, how many grams of HBr will form?
What is 10.3 grams HBr