3. which elements had only one electron in their outer most shell?\na. ____________ (______)\nb…
3. which elements had only one electron in their outer most shell?\na. ____________ (______)\nb. ____________ (______)\nc. ____________ (______)
Answer
Brief Explanations:
Elements in Group 1 of the periodic table have one electron in their outermost shell. This is due to their electron - configuration patterns.
Answer:
a. Hydrogen (H) b. Lithium (Li) c. Sodium (Na)