Atoms
What are the three particles that make up an atom?
Protons, Neutrons, Electrons
The first man credited with creating the Periodic Table
Dmitri Mendeleev
The elements in Group 14 would have how many valence electrons (dots)?
4
An atom that has a charge as a result of a loss or gain of electrons is known as what?
An ion
The distance from the nucleus of an atom to the outermost edge of the electron cloud is known as ____________ ____________
Atomic radius
These two subatomic particles are located in the nucleus
Protons and Neutrons
A row on the periodic table is called what?
A period
Krypton would have how many dots?
Eight
An ion that has a negative charge resulting from the gain of electrons is known as what?
An anion
The amount of energy needed to remove a valence electron from an atom is called ...
Ionization Energy
These subatomic particles have a negative charge and virtually no mass.
Electrons
A column on the Periodic Table is called what?
A group or family
Elements in Group 1 have how many valence electrons (dots)?
1
A positively charged ion that results from the loss of electrons is known as what?
A cation
______________ has the highest electronegativity on the periodic table.
Fluorine
The mass number of an atom is the total of these two particles.
Protons and neutrons
The element located in Group 1, Period 3
Sodium
The number of dots (valence electrons) for an element in Group 17 is what?
7
What would be the overall charge of an ion that has lost 4 electrons?
+4
Which element has a larger atomic radius - potassium (K) or arsenic (As)?
Potassium (K)
An atom that has the same number of protons but a different number of neutrons is referred to as a(n) ______________.
Isotope
The only metal on the Periodic Table that is not a solid at room temperature.
Mercury
List the 7 main group elements that only have 2 valence electrons.
Be, Mg, Ca, Sr, Ba, Ra, He
The elements in Group 13 typically do what to have a complete outer electron shell?
Lose 3 electrons
Rank these 3 elements from lowest electronegativity to highest electronegativity - selenium (Se), neon (Ne), lead (Pb)
Ne, Pb, Se