m
An element with the general electron configuration ns2 np1 for its outermost electrons would be in Group
13
The number of valence electrons for group 2 elements is
2
An element that has the electron configuration [Ne] 3s2 3p5 is in Period
3
When a carbon atom is in its ground state, how many electrons does it have in its outermost shell?
4
Group
A column on the periodic table
Period
A horizontal row of elements in the periodic table
Which of the following elements has the greatest atomic radius?
Al
Which of the following factors contributes to the increase in ionization energy from left to right across a period?
An increase in the number of protons
Which of the following elements has the greatest ionization energy?
As!!!
On most periodic tables the Lanthanides and Actinides appear
Below the main portion
Which of the following elements is a transition metal? Cesium Tellurium Copper Tin
Copper
valence electrons
Electrons on the outermost energy level of an atom
One of the least electronegative elements would be found on the periodic table in
Group 1, Period 7
The halogens are located on the periodic table in?
Group 17
Alkai Earth Metals
Group 2
Which of the following elements is a transition metal: calcium, iron, sodium, or sulfur?
Iron
How does atomic radius change from left to right across a period in the periodic table?
It tends to decrease
Of the elements Pt, V, Li, and Kr which is a nonmetal?
Kr
Which of the following elements is in the same period as Phosphorous?
Magnesium
Which of the following elements have full outer energy levels when they are in ground state?
Noble Gases
As you move left to right across the second period of the periodic table
The size decreases
What is the element with the lowest electronegativity value
cesium
In which group is an element that has an outer level electron configuration consisting of one electron in the outer d orbital and two electrons in the ns orbital
group 3
Transition metals
groups 3-12
What is the energy required to remove an electron from an atom in the gaseous state called
ionization energy
Which of the following elements has the lowest electromagnetivity?
lithium
Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
more shielding of the electrons by the highest occupied energy level
In which period is an element that has the electron configuration 1s^2 2s^2 2p6
period 4
For Group 2A metals, which electron is the most difficult to remove?
the third
The outer-level electron configuration of a neutral alkaline-earth metal atom consists of
two electrons in the s orbital
