Atomic Structure & Chemical Reactions
2,8,8,1
What is the electronic configurtion of Potassium?
The stuff that composes all matter
What are atoms?
Protons, neutrons and electrons
What are atoms made of?
Dot and Cross diagrams
What do we call the diagrams that are used to show bonding?
The number of shells
How can we tell which period of the periodic table an atom is found in?
A mass of the SAME type of atom
What is an element?
Empty space
What are atoms mostly made of?
It describes how particles move: "Particles are in CONSTANT MOTION and their movement is RANDOM"
What is Brownian Motion?
C6H12O6
What is the formula of glucose?
The number of valence (or outer) electrons
What determines the chemical properties of an atom?
Different atoms chemically bonded together
What is compound?
Its particles are close together and in a fixed in positions
How are particles arranged in a solid?
Nitrogen
Which element has 7 protons and 7 neutrons?
Gaining and losing electrons Vs sharing pairs of electrons
What is the difference between an ionic bond and a covalent bond?
Steam becomes water
What happens when water condenses?
Noble gases have a full outer shell
Why do noble gases not react with other elements?
The particle that "orbits" around the nucleus.
What is an electron?
That's where the metallic elements are found on the periodic table
What do we find to the left of the staircase on the periodic table?
Cation
What do we call an atom that has lost electrons?
They contain delocalised electrons (electrons that can move freely) which can carry charge
Why do metals and graphite conduct electricity?
Carbon would become a different atom
What would happen if Carbon lost (or gained) a PROTON?
Anything that has mass and occupies space
What is matter?
Compounds are made of a combination of elements but the periodic table only shows the individual elements
Why do we not find compounds in the periodic table?
By oxidising a sodium atom
How is sodium ion formed?
By reducing an oxygen atom
How is the oxide ion formed?