Chemistry Part 1 Study Guide
MATTER:
1.) All matter is measured by _______Mass_____ and ______Volume_________.
2.) Matter comes in what four forms: ___Solid, Liquid, Gas, Plasma___________
ATOMIC STRUCTURE
3.) What are the charges and location of the subatomic particles?
Proton: _____Positive_____________________ Location: ______Nucleus_________________
Electron: ____Negative____________________ Location: ______Electron Cloud____________
Neutron: ____Neutral______________________ Location: ______Nucleus_________________
4.) Which two subatomic particles have the most mass? ____Protons___ and __Neutrons______
5.) Atoms of any element are alike, but are different from atoms of other elements. Which subatomic
particle defines the element? _________Protons___________________
6.) Calculate the number of protons, neutrons, and electrons for the elements using a periodic table.
Element: Silver
Atomic Number = ______47__________, Atomic Mass = _____108_____
Protons = __47______ Neutrons = __61_______ Electrons = __47______
Element: Sodium
Atomic Number = ______11___________, Atomic Mass = _____23_________
Protons = ____11_____ Neutrons = ___12_______ Electrons = ___11_______
7.) Draw a Bohr model of the element Fluorine. Label protons, neutrons, and electrons.
Protons: 9
Neutrons: 10
Electrons: 9
ELEMENTS
Fill in the table.
8.)
Name Sodium
Symbol
Na
Silicon
Si
Iron
Fe
Gold
Au
Silver
Ag
Sulfur
S
Nitrogen Carbon Chlorine Copper
N
C
Cl
Cu
Calcium
Cl
9.)
Name Hydrogen
Symbol
H
Lead
Pb
Mercury Potassium Phosphorus
Hg
K
P
Neon
Ne
Oxygen
O
IONS AND ISOTOPES
10.) What are valence electrons? _____Electrons farthest away from the nucleus (outer-most ring)
Write the following in isotope notation.
11.) Magnesium-26
_______ 1226𝑀𝑔_______
12.) Silver-108
108
________ 47
𝐴𝑔_______
13.) Lead-207
________ 82207𝑃𝑏_______
14.) Neon-20
_________ 1020𝑁𝑒_______
Fill in the following information.
15.)
23
11 Na
#protons ___11______ #neutrons ___12_______ #electrons ___11_______
Is this particle an atom or an ion? __Atom_____
16.)
28 2−
14 Si
#protons ___14_______ #neutrons __14_________ #electrons _____16______
Is this particle an atom or an ion? ___Ion________