Balancing
What word is missing from the general equation below
reactants --> ___________
Products
What is the name of the CH4
Methane
What type of reaction requires oxygen and gives out heat?
Combustion
How many oxygen atoms are in the following chemical NaNo3?
3
Every element has a different...
atomic number/name
What type of substances you balance first in chemical equations?
Compounds
What is the name of following chemical;
C2H4
Ethene
What is the name of a reaction that occurs when 2 elements come together to make 1 new element?
Synthesis
How many hydrogens are in
4NH4NO3
16
What element has the mass number of 9
Beryllium.
What number is missing in the balanced equation?
___H2 + O2 --> 2H2O
2
What is the name of following chemical;
HCl
Hydrochloric Acid
What reaction is shown using the generalized equation
AB --> A + B
Decomposition
What is the total number of atoms in the following chemical?
C10H16N5O13P3
47
What type of element makes up the most of the periodic table?
Metal
Balance the following
____ H2 + N2 --> ___ NH3
3H2 + N2 --> 2NH3
What is the name of following chemical;
C3H8
Propane
What is the other name given to a neutralisation reaction? (hint: what chemicals does it involve?)
Acid-base
How many oxygens are in
2Sr(NO3)2?
12
What type of bonding occurs between a metal and a nonmetal?
Ionic bonding
Balance the following
P4 + O2 --> P2O5
P4 + 5O2 --> 2P2O5
What is the name of following chemical;
NaOH
Sodium Hydroxide
What is an example of a double displacement reaction?
(hint: a solid is formed from 2 liquids)
precipitation
How many nitrogens are in
4NH4NO3
8
Covalent bonding is
a) the taking of electrons
b) the sharing of electrons
c) the destroying of electrons
d) a made up word
b) the sharing of electrons
Balance the following;
HNO3 + Mg --> H2 + Mg(NO3)2
2HNO3 + Mg --> H2 + Mg(NO3)2
What is the name of following chemical;
NH3
Ammonia
Mg + 2HCl --> MgCl2 + H2
is an example of which type of reaction?
Single displacement
How many oxygens in Al(NO3)3
9
What element would have the electronic configuration of 2,8,1?
Sodium Na