what type of reaction is
F- + Na+ -> NaF
Combination
what is the formula for Sodium Hydroxide?
NaOH
Shelby got halfway through balancing and stopped, help him out with:
K + O2 -> 2K2O
4K + O2 -> 2K2O
Proton
The chemical name for CH4 is Methones?
True or false
false its methane
What type of reaction is this?
H2O-> H2 + O2
decomposition
Name me: MgO2
Magnesium Oxide
Hayden had finished balancing this equation:
CH4 + O2 -> CO2 + 2H2O
Is it balanced or unbalanced?
Unbalanced due to oxygens
CH4 + O2 -> CO2 + 2H2O
charge on electrons
negative
Every letter of the alphabet is on the periodic table
False! J is missing
What type of reaction is this?
HCl + NaOH -> NaCl + H2O
Acid plus base
Name me: AlCl2
Aluminium chloride
Balance this:
N2 + H2 -> NH3
N2 + 3H2 -> 2NH3
Location of neutrons?
nuclease
Hydrogen is the most common element on earth.
True
Turn this into a decomposition reaction:
K+ + Cl--> KCl
KCl->K+ + Cl-
Write the answer to the equation and name the product?
Li+ + F- ->________
LiF=Lithium fluoride
Balance this:
CH4 + O2 -> CO2 + H20
CH4 + 2 O2 -> CO2 + 2 H20
Number of electrons in Argon?
18
Californium is an element commonly found in California?
True
Name the two reactions:
1.This type of reaction produces heat. " I feel hot"
2. This type of reaction absorbs heat. "I feel cold"
1. Exothermic
2. Endothermic
Name these:
1.AgOH 2.NaBr
1.Silver Hydroxide
2. Sodium Bromide
Construct product and balance this equation:
Li + O2 -> ______
4 Li + O2 -> 2 Li2O
How many neutrons in Silicon?
28.08-14= 14.8 or 14
Is Copper the only element used for electrical wiring? true or flase
False! Aluminium wire is also used as it is cheaper and lighter.