a horizontal row of elements in a periodic table
A vertical row elements in the periodic table. A group share chemical properties
What are the outer most electrons called?
Which of these substances is not an element?
water
hydrogen
aluminium
iron
Isotopes are variants of a particular chemical element which differ in neutron number. All isotopes of a given element have the same number of protons in each atom.
The tricky, wee (little) "faerie" man that wear's green, has an orange beard and greedily guards his pot of gold is called a ........?
LEPRECHAUN
What is atomic mass?
a) the shape of an atom
b) a religious ceremony for atoms
c) the structure of an atom
d) the average mass of all isotopes of an element
What are the three main types of elements on the Periodic Table?
metals
nonmetals
metalloids
St. Patrick used this plant to explain the holy trinity to the Irish people and convert them to Christianity. Give the Irish name of this plant.
SHAMROCK
The Periodic Table contains all of the following except:
Atomic number
Chemical symbol
Atomic mass
Chemical formula
The number of protons in an atom is equal to the _________ of the element.
a) atomic mass
b) atomic projection
c) atomic number
d) total mass
If you aren't wearing green or a Shamrock on St. Patrick's day people can do this to you.
Pinch you
Before moving to Slovenia in which U.S. State did Robert live?