Periodic Table: Atomic structure and Electronic Configuration

Electronic configuration refers to

• the arrangement of protons around the nucleus of an atom

• the arrangement of neutrons around the nucleus of an atom

• the arrangement of electrons around the nucleus of atoms

The first shell can hold a maximum of _____ electrons

• one

• two

• eight

The second shell can hold a maximum of _____ electrons

• one

• two

• eight

The THIRD shell for the 1st 20 elements can hold a maximum of ______ electrons

• 2

• 8

• 16

• 18

The atomic symbol for hydrogen is

• He

• Hy

• H

The atomic symbol for helium is

• He

• Hy

• H

Fluorine is represented by the symbol

• Fl

• F

• Fe

The 11 th element of the periodic table is

• silicon

• sodium

• phosphorous

The 12 th element of the periodic table is

• aluminium

• sodium

• magnesium

___________ is the 13th element of the periodic table

• silicon

• aluminium

• neon