Isotopes
Atoms of the same element with a different number of neutrons.
What are isotopes?
The periodic table is arranged by?
What is atomic number?
Names of the columns and rows on the periodic table.
Neither a metal or a non-metal but shares characteristics of both.
What are the metalloids?
How does the atomic radius increase on the periodic table?
What is down and to the left?
What element are the 2 isotopes of?
2111X and 2211X
What is sodium?
The creator of the present-day periodic table.
Who is Mendeleev?
The name of group 13 on the periodic table?
What is the Boron family?
In each group what is special about the number of valence electrons?
What is he number of valence electrons are the same in each group?
Ionization energy, electron affinity, and electronegativity increase in this direction on the periodic table.
What is up and to the right on the PT?
The atomic number is 7 and the mass number is 14, what is the isotope name of this isotope?
What is Nitrogen-14?
The elements on the periodic table are classified into these 3 groups.
What are metals, metalloids, and non-metals?
What are the noble gases?
Good conductors of heat and electricity.
What are metals?
The energy needed to remove electrons from an atom.
What is ionization energy?
How do you know if an isotope is the most abundant?
What is when the isotope mass number is closest to the PT atomic mass.
What is included on an elements representation on the periodic table?
What are the element name, element symbol, atomic mass, and atomic number?
Electrons that are found in the outer energy level of an atom.
What are valence electrons?
As you go down a group what changes about the number of energy levels?
What is they increase by one energy level.
Which element has the highest atomic radius?
Ba, Sr, Y
What is Ba?
Calculate the average atomic mass of the isotopes:
Br-79 78.92 amu 50.69%
Br-81 80.92 amu 49.31%
79.90 amu
How is each group on the periodic table grouped together?
What are they have similar characteristics and the same number of valence electrons?
The 2 groups that are the most reactive on the periodic table.
What are the alkali metals and the halogens?
Define the word malleable.
What is something that can change shape or be reformed?
Order the elements from greatest to least ionization energy.
Ge, Al, Br, In
What is Br, Ge, Al, In?