Covalent Bonding

Check all that apply.

A group of atoms bonded together.

• molecule

• compound

• family

• unit

What is the formula for the ammonia molecule shown below?

• NH

• NH₃

• N₃H₃

• N₃H

Tags

NGSS.MS-PS1-1

What is the correct formula for the molecule shown?

• C₂H₆O

• CHO

• CH₆O₂

• C₆HO₆

Tags

NGSS.MS-PS1-1

Atoms form bonds with other atoms in order to become more ______.

• stable

• happy

• dense

• energetic

Tags

NGSS.HS-PS1-4

Atoms become more stable when

• their valence electron shell is full.

• their valence electron shell is empty.

• they have fewer neutrons.

• they have a complete proton octet.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms form bonds in order to have an electron configuration similar to a ___________.

• noble gas

• alkali metal

• friend

• neighbor

The valence shell can hold 8 electrons (excluding the first that can only hold 2). We refer to this as the ______.

• octet rule

• valence law

• complement rule

• chemistry law

Covalent bonds form between _________ atoms.

• metal

• nonmetal

• stable

• inert

Tags

NGSS.HS-PS1-1

Based on its location in the periodic table, we can tell that chlorine has ___ valence electrons needs ___ more electron(s) to become stable.

• 7, 1

• 1, 7

• 1, 1

• 7, 7

The element nitrogen (N) has ___ valence electrons and needs ___ electrons to complete its octet.

• 5 , 3

• 3 , 5

• 6 , 2

• 2 , 6

Tags

NGSS.HS-PS1-1