Chemistry Flashcards
What is an atom
The smallest building block of matter
What is an atom made up of
Protons, neutrons, electrons
What is in the nucleus of an atom
Protons and neutrons
What is an element
A pure substance that consists of only one type of atom
What is a compound
A pure substance that consists of two or more different types of atom
What are the first 20 elements of the periodic table
Hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, Argon, potassium, calcium
What are the seven diatomic molecules
Hydrogen, nitrogen, oxygen, fluorine, bromine, iodine, chlorine
What do we follow when naming compounds
We write the name of the metal or hydrogen first, then we add -ide -ate or -ite depending on number of elements
What is a molecule
A combination of two or more atoms
What is the formula for copper sulfate
CuSO4
Write down the chemical formula for magnesium nitrate
Mg(NO3)2
What is the chemical formula for iron oxide
Fe2O3
What is the formula for hydrogen sulfide
H2S
What is the formula for hydrogen nitride
H3N
What is the formula for sodium sulfate
Na2SO4
What is SO4
Sulfate
What is the formula for calcium carbonate
CaCO3
What is the chemical name for OH
Hydroxide
What is the chemical name of NO2
Nitrogen dioxide
What is the chemical name for N2O4
Dinitrogen tetroxide
What is the chemical name for SO2
Sulphur dioxide
What is the chemical name for SO3
Sulphur trioxide
What is the formula for magnesium fluoride
MgF2
What is the formula for calcium chloride
CaCl2
What is the formula for copper nitride
Cu3N2
What is the formula for calcium hydroxide
Ca(OH)2
What is the chemical and common name for H2O
Hydrogen oxide and water
What is the chemical and common name for NH3
Hydrogen nitride and ammonia
What is the chemical and common name for CH4
Methane and natural gas
What is the chemical and common name for HCl
Hydrogen chloride and hydrochloric acid
What is the chemical and common name for H2SO4
Hydrogen sulfate and sulfuric acid
What is the chemical and common name for HNO3
Hydrogen nitrate and nitric acid
What is the chemical and common name for NACl
Sodium chloride and table salt
What is the chemical and common name for H2CO3
Hydrogen carbonate and carbonic acid
What is the chemical and common name for KOH
Potassium hydroxide and caustic potash
What is the chemical and common name for NAOH
Sodium hydroxide and caustic soda
What is the chemical and common name for Ca(OH)2
Calcium hydroxide and hydrated lime
What is the chemical and common name for NaHCO3
Sodium hydrogen carbonate and bicarbonate of soda
What is the chemical and common name for MgSO4
Magnesium sulfate and epsom salt
What is the chemical and common name for KNO3
Potassium nitrate and saltpeter
What is the chemical and common name for CuSO4
Copper sulfate and blue vitrol
What can We tell from the formula of a substance eg H2O
- the ratio the substances bond in
- whether compound or element
- the different substances
- elements and compounds are pure substance
- name of compound or element
What does stock notation refer to in a formula
The valency of the transitional metal
What is the valency of transitional metals
Silver (Ag) - 1+
Cr, Fe, Co - 3+ or 2+
Rest - 2+