Atoms
What are the 3 states of matter?
Solid, Liquid, and gas.
What is the tables of elements called?
periodic table
Small groups of atoms that are joined together.
What are compounds?
Two elements combined and cannot be broken down easily
Mention the essential 7 for diatomic elements
HAVE NO FEAR OF ICE COLD BEER= HYDROGEN,NITROGEN,FLUORINE,OXYGEN,IODINE,CHLORINE,BROMINE
What are all things made of?
Atoms
Carbon-14
What molecule contains 2 hydrogen atoms and 1 oxygen atoms?
Water Molecule
What is redox?
involve simultaneous oxidation and reduction.
what does leora and geroa stands for?
losing, electrons, oxidation, reducing agent
gaining, electrons, reduction, oxidising agent
Electrons exist in layers called shells, what is the electron configuration for an element that has a number of electrons of 21 or more?
2.8.18.32.50
What is the process of gaining or losing electrons?
Ionisation
Name 3 monoatomic atoms
He , Ne , Ar , Kr , Xe , and Rn
What is the word equation of water?
Hydrogen + Oxygen = Water
Chlorine-35 has a abundance of 75%, What is the abundance of Chlorine-37?
25%
The electrons are held in place by what force?
Electrostatic force
Who gave the name "element'? and from what year?
Robert Boyle, 1661
What is the 3 types of molecules?
Diatomic, monatomic, polyatomic
What is a pure substance?
Name 3 Isotopes for hydrogen
Hydrogen, deuterium, and Tritium
Name the two ions and explain each of them
Cation, is when an element has a positive charge
Anion, is when an element has a negative charge
Where can oxide (the reduction of iron) be done in?
In a blast furnace
Explain what the difference of monatomic, diatomic, and polyatomic?
Monoatomic is 1 atoms, Diatomic is 2 atoms, and polyatomic is 3 or more atoms.
Compounds are made up of fixed proportions of elements: the have a fixed composition chemist call this?
Law of constant composition
What is kinetic particle theory?
A theory that states that all matter is made up of many small particles which are constantly moving.