Unit 2 - Bonding review

What is it called if there are three-pairs of electrons being shared?

• Triple Bond

• Three Single Bonds

• Tribond

• Double and Single Bond Combo

Which of the following is the best representation of a molecule of fluorine (F₂)?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-3

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal & 1 Metal
• 2 Metals
• 2 Noble Gases

What is a diatomic element?

• a metal bonded with a nonmetal
• 2 or more nonmetals bonded together
• 2 or more metals bonded together
• 2 atoms of the same element bonded together

How many electrons are shared in a double bond?

• 2
• 4
• 6
• 8

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

Tags

NGSS.HS-PS1-1

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left

Chlorine has 7 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

• 1

• 2

• 3

• 4

Which is the correct structure for NH₃?

Pictures correspond with a-d.

• Option A.

• Option B.

• Option C.

• Option D.

Tags

NGSS.HS-PS1-2

Which of the following is the correct Lewis structure for CH₂O?

• Option A
• Option B
• Option C
• Option D

Tags

NGSS.HS-PS1-3