Elements
What is liquid at room temperature?
In an atom, this is what the number of protons is equal to.
What are electrons?
Mendeleev created the periodic table by arranging elements in order of
What is increasing atomic mass?
This is the family that fluorine, chlorine, bromine, and iodine are in.
What is halogens?
What are periods?
Where is in Group 1, the first column on the left?
What is using atomic number instead of atomic mass to organize the elements?
This is what each element is given that usually consists of one or two letters.
What is chemical symbol?
This is what elements in a group have in common.
What are similar characteristics?
This group contains the most elements.
What are metals?
This is the maximum number of electrons the third level of an atom can hold.
This is what elements in a column have in common.
What are similar properties?
This is the mass number of sodium.
How many is 23?
This is the level of conduction that nonmentals have.
What is poor?
These are the two most common alkaline earth metals.
What is Calcium and Magnesium?
This is the maximum number of electrons an atoms can hold on its outer energy level with the exception of hydrogen and helium.
How many is 8?
This is what indicates the number of protons in an atom.
What is an element's atomic number?
This is the total number of electrons in an atom of sodium.
How many is 11?
This is at the very small center core of an atom.
What is the nucleus?
This group of elements shares characteristics with both metals and nonmetals.
What are metalloids?
This is the part of an atom that has no charge.
What are neutrons?
This is how the modern periodic table is organized.
What is by atomic number?
This is the chemical symbol of for lead.
What is Pb?
This is the smaller particles that make up protons and neutrons.
What are quarks?