Chemistry

In .................. electron sharing usually occurs so that atoms attain the electron configurations of noble gases.

• covalent bonds

• ionic bonds

• metallic bonds

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Two atoms held together by sharing one pair of electrons are joined by a .................. covalent bond.

• single

• double

• triple

A structural formula represents the covalent bonds as dashes and shows the arrangement of covalently bonded atoms.

• True

• False

A pair of valence electrons that is not shared between atoms is called ..........................

• lone pair

• bonding pair

• shared pair

Draw electron dot structure for chlorine molecule.

Tags

NGSS.HS-PS1-1

Draw electron dot structure for oxygen molecule.

Tags

NGSS.HS-PS1-1

Draw electron dot structure for H₂O₂ molecule.

Tags

NGSS.HS-PS1-1

Draw electron dot structure for PCl₃ molecule.

A ...................... covalent bond is a bond that involves two shared pairs of electrons

• single

• double

• triple

A bond formed by sharing three pairs of electrons is a ........... covalent bond.

• single

• double

• triple

Tags

NGSS.HS-PS1-1