Chemical Bond

Atoms lose electrons to form

• anions

• bonds

• cations

• electrons

Atoms gains electrons to form

• anions

• bonds

• molecules

• cations

Number of Atoms in KNO₃

• 2

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1

Number of atoms in Fe₂O₃

• 6

• 4

• 5

• 2

Tags

NGSS.MS-PS1-1

Which describes the type of electron configuration that makes an atom stable and not likely to react?

• The lowest energy level of an atom is filled.

• The highest energy level of an atom is filled.

• All the energy levels of an atom are filled

• The energy levels are empty.

Tags

NGSS.HS-PS1-1

What is a model of atoms in which each dot represents a valence electron?

• orbitals

• Bohr model

• electron dot diagram

• space model

Draw the dots to represent valence electrons around an atom

Tags

NGSS.HS-PS1-1

Draw dots to represent the number of valence electrons around an atom

Tags

NGSS.HS-PS1-1

A bond between a metal and a nonmetal is

• metallic

• polyatomic

• ionic

• covalent

Tags

NGSS.HS-PS1-1

A bond in which tow atoms share a pair of valence electrons

• ionic

• covalent

• polyatomic

• metallic

Tags

NGSS.HS-PS1-1