What is the smallest particle into which an element can be divided and still be the same substance?
electron
neutron
proton
atom
What part of the atom has a positive charge?
electron
neutron
proton
atom
What part of the atom has a negative charge?
electron
neutron
proton
atom
What part of the atom has a no charge?
electron
neutron
proton
atom
What is found in the center of an atom
electron
nucleus
library
electron cloud
What subatomic particles are found in the nucleus? Check all that apply
proton
electron
neutron
An electron is found...
inside the nucleus
next to a proton
outside the nucleus
next to a neutron
Which statement is true about the Periodic Table?
The Periodic Table allows you to easily compare the properties of one element to another
Each horizontal row of the Periodic Table is called a group
Each vertical column of the Periodic Table is called a period
All of the above are correct
In the Periodic Table, the vertical columns that extend down the Periodic Table are called
periods
groups
classes
Which scientist is credited with inventing the Periodic Table?
Gregor Mendel
Watson and Crick
Albert Einstein
Dimitri Mendeleev
In the Modern Periodic Table, the elements are arranged in order of
increasing mass
increasing atomic volume
increasing atomic number
the alphabet
What are the 3 subatomic particles found in the atom?
particles
protons
specks
neutrons
muons
electrons
beta particles
The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of ____ + ____ inside that atom.
protons, electrons
neutrons, protons
electrons, neutrons
The atomic number for an element tells the number of protons found inside each of its atoms.
True
False
Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.