Q.1
Subatomic particle that has a positive charge
  • electron
  • poitron
  • neutron
  • proton
Q.2
Subatomic particles with a positive charge
  • neutrons
  • atomic mass
  • protons
  • isotopes
Q.3
How many electrons does a sodium atom have?
  • 23
  • 11
  • 12
  • 34
Q.4
An atom has an atomic number ofand a mass number ofHow many protons are there in the atom?
  • 15
  • 31
  • 16
  • 47
Q.5
How many protons does an aluminum atom have?
  • 27
  • 14
  • 40
  • 13
Q.6
The mass number of an element that hasprotons,electrons, andneutrons is _____.
  • 12.5
  • 13
  • 25
  • 37
Q.7
If an element hasprotons,neutrons, andelectrons, what is that elements atomic mass
  • 28
  • 14
  • 29
  • All of above
Q.8
In order for an atom to be neutral what has to be true?
  • The atom has more protons than neutrons
  • The atom has more neutrons than protons
  • The atom has the same number of protons and neutrons
  • The atom has the same number of protons and electrons
Q.9
What element has 9 protons, 9 electrons, andneutrons?
  • nitrogen
  • oxygen
  • fluorine
  • neon
Q.10
When you have a positive ion of an atom, Na+1 for example, do you have a higher number of protons or electrons?
  • Number of protons
  • Number of electrons
Q.11
Alkaline Earth Metals...
  • are semiconductors
  • are the most reactive type of elements
  • have two valence electrons
  • All of above
Q.12
Alkali metals are located where on the periodic table?
  • Group (column 1)
  • Group 8 and Period 4
  • Period 7
  • None of these
Q.13
Which other element has the same number of valence electrons as chlorine?
  • Sodium
  • Bromine
  • Oxygen
  • Both A & B
Q.14
The vertical rows of the periodic table, also called families
  • Groups
  • Periods
  • Rows
Q.15
The arrangement of elements in order of increasing atomic number
  • Periodic Table
  • Atomic Number List
  • Bohr Model
Q.16
The horizontal rows of the periodic table
  • Groups
  • Periods
  • Families
Q.17
The electrons that are on the outer most region of the atom
  • Shell Electrons
  • Violent Electrons
  • Valence Electrons
Q.18
This unit is represented by the combined number of protons and neutrons
  • Atomic Mass
  • Atomic Number
  • Mass Number
Q.19
This number is represented by the number of protons in the atom
  • Atomic Mass
  • Atomic Number
  • Mass Number
Q.20
The negative charge particles that float around the outside of the atom
  • Proton
  • Neutron
  • Electron
0 h : 0 m : 1 s