Atoms
This is a small particle that makes up most types of matter on earth
Atom
Made up of only one kind of atom
Element
Statement that says "Matter is neither created nor destroyed, only changed in form"
Law of Conservation of Matter
How many valence electrons:
Sulfur
6
Identify the p+ / n / e-
Mercury
p= 80
n= 120
e=80
This is an uncharged particle in the nucleus of the atom.
Neutron
TRUE/FALSE: Elements retain their original properties if physically changed
TRUE
This is the number of protons & electrons in the nucleus of each atom of an element
Atomic number
How many valence electrons:
Gallium
3
Identify the p+ / n / e-
Nickle
p= 28
n= 31
e=28
This is a positively charged particle in the nucleus of the atom
Proton
TRUE/FALSE: Different elements can have the same number of protons.
FALSE
This is the sum of the an atom's protons and neutrons
Mass number
What electron shell can you find MAGNESIUM's valence electrons AND how many are there?
3rd shell & 2 ve
Identify the p+ / n / e-
Krypton
p= 36
n= 48
e= 36
This is a negatively charged subatomic particle
Electron
Which element is it? Chemical Symbol & Name
Protons - 26
Neutrons - 30
Fe - Iron
What equation gives you the number of Neutrons in the nucleus of an atom?
Mass # - Atomic #
What electron shell can you find OXYGEN's valence electrons AND how many are there?
2nd shell & 6 ve
Identify the p+ / n / e-
Seabrogium
p= 106
n= 163
e= 106
These subatomic particles create a neutral charge for an element if equal.
Protons and Electrons
What element is it? Chemical Symbol & Name
Neutrons - 125
Electrons - 82
Pb - Lead
What value does each vertical (Up to down) tell you?
Number of valence electrons
How many maximum electrons can be found in the 1st and second electron shells.
1st - 2 electrons
2nd - 8 electrons
Identify the p+ / n / e-
Silver
p= 48
n= 59
e= 48