The big bold letters in the square are called
What are Elemental symbols
What element has the atomic symbol He
What is Helium
The vertical columns in the periodic table are called
What are familys
How many total atoms are in H20
What is 3 total atoms
What is the definition of an Isotopes
The small number in the upper left corner
What is the atomic number
What has the atomic symbol Mg
What is Magnesium
The horizontal rows on the Periodic table are called
What are Periods.
How many total atoms are in 4 HNO3
What is 20 total atoms
What does an Isotope depend on
What is Mass
The number written in red at the bottom of the square
What is the atomic mass
What element has the atomic symbol P
What is Phosphorus
The periodic table is sorted left to right by
What is Increasing atomic number
how many elements are in NaC2H3O2
What is 4 elements
What makes an Isotope unstable
What is Having too many electrons
There are this many element squares in the periodic table
What is 118 element squares
What element has the atomic symbol W
What is Tungsten
There are this many elements stored in the periodic table
What is 118 elements
How many total atoms are in 3 Al2O3
What is 15 total atoms
How do Isotopes change
what is the number of neutrons in an atom changing would change the mass of the atom
What is the Atomic number of Oxygen
What is 8
What is the element that has an atomic symbol Ru
What is Ruthenium
Every letter in the alphabet is on the periodic table except one, Which letter
What is the letter J
How many total atoms are in 2H3NCH3Br
What is 18 total atoms
How do you identify an Isotope
By its mass