Completed 0 of 10 questions.
Which of these is true of the first ionization energy within a group?
Which of these describes atomic radii as one travels across a period (from left to right)?
How many valence electrons are in an atom of strontium (Sr)? Consult the periodic table.
In which orbital block will you find the element with an electrically neutral atom and electron configuration of 1s22s22p6? Hint: You do not need a periodic table.
Which of the following is true about the radii of Na and Na+ ?
How many electrons are in the outermost shell of an atom of phosphorus (P)? Consult the periodic table.
Which of these describes atomic radii as one moves from top to bottom within a group?
Cesium (Cs) has one valence electron, and that electron is located in the sixth subshell. Without using the periodic table, in which group and period is cesium located?
In which orbital block are the valence electrons of gallium (Ga) located? Consult the periodic table and the block table in this lesson (Unit 3: 3.04).
Which of the following is a measure of how readily an atom attracts electrons when it is part of a compound?