The symbol of this element is N
Type of compound sodium (Na) and fluorine (F) makes
What is ionic compound?
Nitrogen has this many valence electrons
What is 5 valence electrons?
The number of moles in 24g carbon
what is 2 moles
4 Fe(s) + 3 O2(g) --> 2 Fe2O3(s)
is an example of this type of reaction
what is synthesis
The number of protons in a carbon atom
what is 6 protons?
In forming compounds, this type of element will lose electrons
what is a metal
The charge of Chlorine.
What is -1
the %H in NH3 when 14g N combine with 3 g H.
what is 17.6%
When a precipitate is formed this type of change occurred
What is chemical change/reaction?
States that elements gain/lose or share electrons to achieve stability
What is the octet rule?
The polarity of a CH2F2 molecule.
what is polar molecule
The molar mass of Bromine (Br2)
What is 159.8 g/mol
4 Fe(s) + 3 O2(g) --> 2 Fe2O3(s)
the number of moles of Fe needed to make 4 moles Fe2O3
what is 8 moles Fe
when the products have less energy then the reactant, the reaction is an example of this--exothermic or endothermic
What is exothermic reaction
The lewis structure (electron-dot) of calcium has this many dots
The lewis structure of CO2 contain these bonds--single, double or triple.
what are double bonds?
number of protons in a sodium ion
What is 11 protons
The percent yield of when only 10g H2O is made instead of the expected 15g.
What is 67%
increase in kinetic energy does this to the particles and reaction rate.
What is particles moving faster increase the rate of reaction?
total number of valence electrons shown in a NH3, ammonia, molecule
the type and strength of attraction force in H2O, water.
What is strong hydrogen bonding?
The element with a partial negative charge in a N-H bond
What is nitrogen?
4 Fe(s) + 3 O2(g) --> 2 Fe2O3(s)
the limiting reactant when 8 moles Fe reacts with 8 moles O2
What is Fe?
the coefficients of
_C3H8 + _O2 -> _CO2 + _H2O
what is 1: 5: 3: 4