Covalent Bonding

When two atoms share electrons, a chemical bond is formed.  This type of bond is called:

• covalent bond
• ionic bond
• crystal bond
• polyatomic bond

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NGSS.HS-PS1-1

What is a double bond?

• a bond between two atoms
• one pair of electrons shared between two atoms
• two pairs of electrons shared between two atoms
• James Bond's brother

Molecular compounds that dissolve in water do not conduct electricity because no ___________________ are present.

• charged ions (particles)
• uncharged ions (particles)
• polar
• nonpolar

Molecular compounds do not conduct electricity because they:

• break up into ions
• do not break up into ions
• do not dissolve in water
• have high melting points

Which of these is covalent?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

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NGSS.HS-PS1-1

How many valence electrons does hydrogen have?

• 4
• 3
• 2
• 1

Which is true about covalent bonds?

• they are between 2 nonmetals
• they are between 2 metals
• they are between 1 metal and 1 nonmetal

Is this image an example of covalent bonding?

• Yes
• No

Which element is most likely to form a covalent bond?

• Nitrogen
• Lithium
• Sodium
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2