Ionic and Covalent Bonding ED

What occurs when an atom loses an electron?

• The atom's radius decreases and the atom becomes a negative ion.

• The atom's radius decreases and the atom becomes a positive ion.

• The atom's radius increases and the atom becomes a negative ion.

• The atom's radius increases and the atom becomes a positive ion.

Tags

NGSS.HS-PS1-2

As chlorine atom becomes a negative ion, the atom

• gains an electron and its radius increases

• gains an electron and its radius decreases

• loses an electron and its radius increases

• loses an electron and its radius decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which compound contains both ionic and covalent bonds?

• CaCO₃

• CaCl₂

• MgF₂

• H₂CO₃

Which sample contains particles in a rigid, fixed, geometric pattern?

• CO₂(aq)

• HCl(g)

• H₂O(l)

• KCl(s)

Which type of bond is formed when electrons are transferred from one atom to another?

• covalent

• ionic

• hydrogen

• metallic

Which formula represents an ionic compound?

• NaCl

• N₂O

• HCl

• H₂O

Which compound contains ionic bonds?

• NO

• NO₂

• CaO

• CO₂

Tags

NGSS.HS-PS1-3

Which statement best describes the substance that results when electrons are transferred from a metal to a nonmetal?

• It contains ionic bonds and has a low melting point.

• It contains ionic bonds and has a high melting point.

• It contains covalent bonds and has a low melting point.

• It contains covalent bonds and has a high melting point.

Tags

NGSS.HS-PS1-3

A neutral atom with the electron configuration 2-6 would most likely form a bond with an atom having the configuration

• 2

• 2-2

• 2-8

• 2-8-8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which formula is described correctly?

• BaCl2 is covalent and molecular.

• H2O2 is covalent and empirical.

• H3O is ionic and molecular.

• NaCl is ionic and empirical.

Tags

NGSS.HS-PS1-1