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Which of these is true of the first ionization energy within a group?
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 the following is a measure of how readily an atom attracts electrons when it is part of a compound?
How many valence electrons are in an atom of strontium (Sr)? Consult the periodic table.
Which of these describes atomic radii as one travels across a period (from left to right)?
Which of these describes atomic radii as one moves from top to bottom within a group?
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).
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.
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?