Properties of Covalent Compounds

usually soft

• ionic compounds

• covalent compounds

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

Have a low m.p. (< 200°C)

• ionic compounds

• covalent compounds

Tags

NGSS.HS-PS1-1

What set of elements is most likely to form a covalent compound?

• Na and O

• Na and K

• O and C

Tags

NGSS.MS-PS1-1

When a covalent bond forms _______________ are shared.

• protons

• nutrons

• valence electrons

• quarks

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NGSS.HS-PS1-1

• Element

• Compound

• Mixture

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NGSS.MS-PS1-1

What type of elements form covalent bonds?

• Metals

• Non Metals

• Metalloids

• Nobel Gas

Which of the following is a typical property of covalent compounds?

• High melting point

• Conduct electricity in solid state

• Low melting point

• Form crystal lattice structures

Covalent compounds are usually formed between which types of elements?

• Metals and non-metals

• Non-metals and non-metals

• Metals and metals

• Noble gases

Tags

NGSS.HS-PS1-1

What is the primary reason covalent compounds do not conduct electricity?

• They have free electrons

• They have no free ions

• They have a rigid lattice structure

• They are always in gaseous state