Covalent Bonding

What two types of atoms make a covalent bond?

• 2 nonmetals

• 2 metals

• 1 nonmetal & 1 metal

• 2 noble gases

A covalent bond occurs when...

• one atom takes an electron of another atom

• one atom shares an electron with another atom

• one atom transfers a valence electron to a different atom

• 2 different atoms both have 8 valence electrons

Tags

NGSS.HS-PS1-1

What are electrons found on the outer-most energy level called?

• Core Electrons

• Octet electrons

• Valence Electrons

• Polar Electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms are the most stable when...

• 2 or more are bonded together to form molecules (or compounds)

• they are separate and apart from other atoms

Tags

NGSS.HS-LS1-6

NGSS.HS-PS1-4

Which group/family of elements does not readily form compounds?

• Halogens

• Alkaline Earth Metals

• Noble Gases

• Metalloids

Noble gases do not readily react or form covalent compounds because...

• they already have 7 electrons in their outer-most energy level

• they are gases so they don't react easily

• they only make ionic compounds

• they have completely full outer energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a covalent bond, one or more electrons are...

• shared

• gained

• lost

• transferred

If 2 covalently bonded atoms are the same element, then the bond is...

• polar

• nonpolar

• dipolar

• ionic

Polar molecules are ....

• symmetrical

• asymmetrical

Polar covalent bonds share electrons _________, and nonpolar covalent bonds share electrons _________.

• evenly; unevenly

• unevenly; evenly