Compounds are easy or difficult to separate?
Difficult
Which one is easy to separate? Compound or mixture?
Mixture
These subatomic particles live in the rings of an atom.
Electrons
The mass of this subatomic particle is nearly zero
Electron
Bohr model of Oxygen
P=8 E=8 N=8
Element, compound or mixture?
Element
Electron shell #3 can hold how many electrons?
8 electrons
Element, compound or mixture? CO2
Compound
Isotopes of atoms have a different amount of ________.
Neutrons
Define atom
Smallest particle of an element; Building block of life
Negatively charged subatomic particle
Electron
Element, compound or mixture? Helium
Element
Element, compound or mixture? Li
Element
Mud is a ______ mixture.
Homogeneous mixture
Pure substance?
No
Define compound
Substance composed of 2 or more different atoms that are bonded
Bohr model of Lithium
P=3 E=3 N=4
A salad is what type of mixture?
Heterogeneous mixture
Chemical symbol for Iron
Fe