Structure of particles
Formulas and equations
States and changes of state
Pure substances and mixtures
Vocabulary
100
Positively charged particle with mass 1amu
Proton
100
Formula for water?
H20
100
What state?
Liquid
100
Oxygen given at hospitals (Mixture / compound, pure substance)?
Pure substance
100
Name given to describe particles such as proton, neutron and electron
Subatomic
200
A neutral charged particle with mass of 1 amu
Neutron
200
What is the coefficient number? How does it affect O?
3. It means there are 3 O
200
Does temperature of water go over 100 celcius while it is boiling?
No
200
What kind of substance is sand (Pure element, mixture, compound, simple molecules)
Mixture
200
Is tap water pure or not? Why or why not?
No. It contains minerals as well as H20
300
Electron
300
Name the formula for Salt
NaCl Sodium Chloride
300
What phase change?
Evaporation
300
Element / compound / Mixture / Elemental molecule
A compound
300
+, - or neutral
Charge
400
What kind of particle is an atom that has either lost electrons or gained electrons?
Ion
400
Why does H2 have a 3 before it?
To balance the number of H atoms that are in the NH3
400
The state with highest kinetic energy and lowest forces of attraction
Gas
400
What is this? Are there any compounds?
Homogenous mixture of element and molecule
400
Substances physically combined but not chemically
Mixture
500
Why does it have plus 3 charge?
It has lost 3 electrons
500
How many H atoms in total?
16
500
Change of state from solid to gas?
Sublimation
500
Pure substance / Homogenous mixture or heterogenous mixture?
Heterogenous mixture
500
Mixture that has even mixing of all components
Homogenous