Bonding Forces Practice - EXTRA CREDIT

How many valence electrons does hydrogen have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

Tags

NGSS.HS-PS1-1

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Which of the following is a characteristic property of ionic compounds?

• They form hard, brittle crystals with characteristic shapes
• They have low melting points
• They have low boiling points
• They contain no charged particles

Tags

NGSS.HS-PS1-3

In what form can an ionic compound conduct electricity?

• when dissolved in water
• as a solid
• as a crystal
• when warmed slightly

A covalent bond in which electrons are shared unequally is:

• polar
• a double bond
• ionic
• polyatomic

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

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

Fluorine (F₂) is a(n)  _________________                  molecule because the valence electrons are shared equally between the two fluorine atoms.

• polar
• nonpolar
• ionic
• crystal

Tags

NGSS.HS-PS1-1

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

Ionic or covalent?
NaBr

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2