Covalent and Ionic Molecules (8th Grade Advanced)

An ionic bond is formed between

• only metal atoms

• only nonmetal atoms

• a metal AND a nonmetal

A covalent bond is formed between

• only metal atoms

• only nonmetal atoms

• a metal AND a nonmetal

Which of the following elements is METAL?

(Use the periodic table to help you)

• Potassium

• Chlorine

• Boron

• Hydrogen

Which of the following elements is METAL? Select ALL that apply.

(Use the periodic table to help you)

• Aluminum

• Tin

• Radium

• Radon

Which of the following elements is NONMETAL?

(Use the periodic table to help you)

• Potassium

• Calcium

• Gold

• Bromine

In the process of ionic bonding, ions come together because

• opposite charges repel

• positive and negative ions attract

• salt is magnetic

• like charges attract each other

Tags

NGSS.HS-PS1-3

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Ionic bonds form between two ions that have

• negative charges

• positive charges

• opposite charges

An ionic compound is held together by a _______ -- the force of attraction between opposite charges of the atoms.

• covalent Bond

• ionic Bond

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A covalent bond forms when

• one or more electrons are transferred from one atom to another.

• electrons are shared between atoms.

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H₂O is a type of _______ because _________

• ionic bond, hydrogen is a metal and oxygen is a nonmetal

• covalent bond, both hydrogen and oxygen are nonmetals

• ionic bond, both hydrogen and oxygen are nonmetals

• covalent bond, hydrogen is a metal and oxygen is a nonmetal

Tags

NGSS.MS-PS1-1