General
What are the rows in a periodic table called?
Periods
What is the atomic number for Bromine (Br)?
35
As
Arsenic
What element has an atomic mass of 268?
Dubnium
Which element has the most number of protons?
Lawrencium
What are the columns in a periodic table called?
Groups
What is the atomic number for Rhodium (Rh)?
45
Na
Sodium
What element has an atomic mass of 223?
Francium
Calculate the number of neutrons for the element Tellurium
Atomic mass (rounded) - Atomic number
128-52 = 76
Where can you find an element's atomic number?
Upper left hand corner
What is the atomic number for Terbium (Tb)?
65
Fe
Iron
What element has an atomic mass of 251?
Californium
Why do some element symbols not match the element's name?
Their symbols come from older Latin, Greek or German names
An elements atomic number is also the number of _________ the element has.
Protons / Electrons (in most cases)
What is the atomic number for Bismuth (Bi)?
83
C
Carbon
Which element has an atomic mass of 39.95?
Argon
Elements can be divided into three categories on the periodic table. What are they?
Metals, nonmetals, metalloids
Where can you find an element's atomic mass?
What is the atomic number for Plutonium (Pu)?
94
He
Helium
Which element has an atomic mass of 47.87?
Titanium
How do you find the number of neutrons in an element?
Atomic mass (rounded) - Atomic Number