Lithium belongs to which period?

এই অধ্যায়ের আরও প্রশ্ন

• C-04-Q048The electronic configuration of is—
• C-04-Q049Potassium belongs to which period?
• C-04-Q050According to System 1, if an element's outermost level has only an orbital, the group number equals—
• C-04-Q051The element with configuration belongs to which group?
• C-04-Q052According to System 2, when the outermost level has and orbitals, the group number is—
• C-04-Q053Boron with configuration belongs to which group?
• C-04-Q054Nitrogen with belongs to which group?
• C-04-Q055Oxygen belongs to which group?
• C-04-Q056Fluorine belongs to which group?
• C-04-Q057Neon belongs to which group?