Chemical Bonds

• A ___ is a force that holds two or more atoms together.  

• chemical bond

• energy level

• valence electron

• compound

Tags

NGSS.MS-LS1-7

The electrons that have the greatest amount of energy are ___

• Electrons closest from the nucleus

• Electrons farthest from the nucleus

• energy levels

• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electrons that have the least amount of energy are ___

• Electrons closest from the nucleus

• Electrons farthest from the nucleus

• energy levels

• valence electrons

Tags

NGSS.MS-PS1-1

The areas of space in which electrons move around the nucleus are ___

• Electrons closest from the nucleus

• Electrons farthest from the nucleus

• energy levels

• valence electrons

Tags

NGSS.MS-PS1-1

Is a model that represents valence electrons in an atom as dots around the element's chemical symbol.

• chemical bond

• energy level

• compound

• electron dot diagram

The type of atoms that DO NOT react or form bonds with other atoms are ___

• neutral atoms

• stable atoms

• unstable atoms

• metal atoms

The type of atoms that DO react to form bonds with other atoms are ___

• neutral atoms

• stable atoms

• unstable atoms

• metal atoms

What is the difference between stable and unstable atoms?

• elements with 8 valence electrons are equally stable as atoms with less than 8 valence electrons

• elements with 8 valence electrons are less stable than atoms with less than 8 valence electrons.

• elements with 8 valence electrons are unstable, elements with less than 8 valence electrons are stable.

• elements with 8 valence electrons are stable, elements with less than 8 valence electrons are unstable.

Why do atoms share, gain, or lose valence electrons?

• to be friends with other atoms

• to avoid forming bonds

• to become stable

• to become unstable

Chemical bond formed when two nonmetals share 1 or more pairs of valence electrons.

• ionic bond

• metallic bond

• covalent bond

• compound