Ionic and Metallic Bonds Quiz-8th

The chemical formula for washing soda is Na₂CO₃. Use a periodic table to identify the types of atoms that make up Na₂CO₃.

• Nitrogen, calcium, and oxygen

• Nitrogen, carbon, and oxygen

• Sodium, calcium, and oxygen

• Sodium, carbon, and oxygen

Tags

NGSS.MS-PS1-1

Which type of bond do salts have?

• ionic

• metallic

• covalent

• valence

What must atoms gain or lose to become ions?

• metals

• neutrons

• protons

• electrons

Which is a property of an ionic compound?

• not dissolving in water

• low melting point

• having a shiny surface

• forming solid crystals

The diagram represents the electrons in an electrically neutral atom of a certain element. What is the atomic number of this element?

• 2

• 8

• 24

• 26

Tags

NGSS.MS-PS1-1

The diagram represents the electrons in an electrically neutral atom of a certain element. What kind of element is shown?

• metal

• alkali metal

• noble gas

• halogen

Tags

NGSS.MS-PS1-1

The diagram represents the electrons in an electrically neutral atom of a certain element. How is an atom of the element shown likely to react?

• It will gain two electrons.

• It will share two electrons.

• It will vary.

• It will not react.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What must have happened to an atom that has a negative charge?

• It must have gained one or more electrons.

• It must have lost one or more electrons.

• It must be sharing electrons.

• It must have pooled electrons with other atoms.

The chemical formula for an ionic compound of potassium and oxygen is

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What two types of atoms make a covalent bond?

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2