change
Is rust an indicator of a physical or chemical change?
Chemical change
What is Atomic structure
The structure of an atom
Element
A pure substance made of only one kind of atom
The physical or chemical property of an element.
What are the letters on an element called?
Symbol
Is salt being mixed in water a physical or chemical change?
Physical change
How many electrons can go on the first orbit
2
Atom
The basic unit of matter.
How many periodic properties are there
10
What is atomic weight?
The total weight of an atom.
Are bubbles an indicator of a physical or chemical change?
Chemical change.
What charges are in the middle of an Atomic structure?
Proton, Neutron or Positive, negative
Density
Mass divided by volume
What type of trends does Periodic Property have
Recurring trends
What does the atomic number indicate?
How many protons there are in an element.
Are apples rotting a Physical or a Chemical change?
Chemical change
What are the electrons found in an atomic structure?
On the Electron orbits
Solubility
A measure of how much solute can dissolve in a given solvent at a given temperature.
Are the metals on the left or right of a periodic property
Left
How many columns does the periodic table have?
18
Is eating food a chemical or physical change
Both physical and chemical.
How many electrons can the 3rd shell hold
up to 18
pH
7.35-7.45
Who organized the elements in the periodic table
How many categories does the Periodic table have?
11