Covalent Bonding

What two types of atoms make a covalent bond?

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

Tags

NGSS.MS-PS1-1

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.MS-PS1-1

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

What would you name this molecule?

• SNa3
• H3O
• NaCl
• H2O

Tags

NGSS.MS-PS1-1

What molecule is this?

• CO
• CO2
• C2O
• C2O2

Tags

NGSS.MS-PS1-1

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

Tags

NGSS.MS-PS1-1

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

• Triple bond
• Bond length
• Tribond
• Chocolate Mousse

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-2