Atomic Structure - Lesson 3 (ions)

What is an ion?

• A group of atoms that are neutral

• An atom with a negative charge

• A group of atoms with a negative or positive charge

• An atom with a positive charge

How is an ionic charge written?

• The number of electrons gained or list followed by a positive or negative sign

• As a negative sign followed by the number of electrons lost

• As a positive sign followed by the number of electrons lost

Which of the following elements tend to form cations?

• Noble gases

• Nonmetals

• Metalloids

• Metals

What is the name of the cation formed by Sodium?

• Sodium cation

• Sodide cation

• Chloride cation

• Chloride anion

What is the name of the anion formed by Oxygen?

• Oxide anion

• Oxygen cation

• Chloride anion

• Chloride cation

Which of the following elements tend to form anions?

• Metals

• Nonmetals

• Noble gases

• Metalloids

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of the Calcium cation?

• +1

• +2

• -1

• -2

How many protons does Chlorine have?

• 16

• 20

• 7

• 17

How many electrons does a neutral Oxygen atom have?

• 16

• 7

• 17

• 20

Tags

NGSS.HS-PS1-1

What is the charge of the Oxygen anion?

• +1

• +2

• -1

• -2