ISCA Chemistry: Covalent Bonding and Allotropes

What is the atomic number of Carbon?

• 2

• 6

• 93

• 14

How many outer electrons does nitrogen have?

• 3

• 2

• 5

• 1

What two types of atoms make a covalent bond?

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

Tags

NGSS.MS-PS1-1

What can be generalized about covalent bonds?

• Electrons will be exchanged.
• Electrons will be transferred.
• Electrons will be given and taken.
• Electrons will be shared.

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

• Triple bond
• Bond length
• Tribond
• Chocolate Mousse

Define the term metallic bonding

• Attraction between positive nuclei and electrons
• Forces attraction between nuclei and electron
• Forces attraction between nuclei and sea of electrons
• Electrostatic attraction between nuclei and sea of electrons

Tags

NGSS.HS-PS1-3

Hydrogen needs _____ electrons in its outer shell to be stable.

• 4

• 6

• 8

• 2

Which is the correct molecular structure for carbon dioxide CO₂?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

which of the following are examples of a diatomic (two atoms) molecule?

• N2

• CO2

• H20

• O2

• Methane (CH4)

Which consists of carbon atoms?

• graphite
• diamond
• fullerene
• all of these