ABC Atom
CHARGE!!!
Periodic Table
Location, location, location
Element squares
100
The smallest particle of an element
atom
100
What is the charge of a proton?
positive
100
What is a row of the periodic table called?
a period
100
What can you predict about an element by its location on the periodic table?
its properties
100
What does the atomic number represent?
# of protons
200
What is included in the nucleus of an atom?
protons and neutrons
200
What is the charge of an neutron?
it has no charge
200
What is a column of the periodic table called?
a group or family
200
Elements in a group of the periodic table have the same number of
valence electrons
200
What does the atomic mass represent?
The average mass of the element
300
What particles travel around the nucleus of an atom?
electron
300
What is the charge of an electron?
negative
300
How may periods are there on the periodic table?
7
300
Which element is more reactive? Sodium or Platinum
sodium
300
What four things are included in an element's square?
atomic number, atomic mass, symbol and element name
400
This type of electron is farthest from the nucleus and determines many of the properties of an atom
valence
400
What is the charge of a valence electron?
negative
400
How many groups are on the periodic table?
18
400
Which element is more dense? Calcium or Radium?
Radium
400
What is the atomic number, atomic mass and symbol for gold?
Atomic # is 79 Atomic mass is 196.967 or 197 Symbol is Au
500
What other particle of an atom is equal to the number of protons?
electrons
500
Why is an atom neutral?
because it has the same number of protons and electrons
500
How is the periodic table arranged?
by increasing atomic number
500
Why is hydrogen special?
it reacts differently with different elements
500
How many neutrons does Palladium have?
about 60 106-46=60
M
e
n
u