2. which elements had only one valence electron? give the name and symbol for each.\nwhat do you notice…
2. which elements had only one valence electron? give the name and symbol for each.\nwhat do you notice about location of these elements?
Answer
Explanation:
Step1: Recall periodic - table trends
Elements in group 1 of the periodic table have 1 valence electron.
Step2: List group - 1 elements
Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), Francium (Fr).
Step3: Observe location
These elements are in group 1 of the periodic table.
Answer:
Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), Francium (Fr); They are in group 1 of the periodic table.