Anion and Cation

Which of the following is an anion?

• Lithium

• Magnesium

• Iodide

• Silver

A Beryllium atom that has lost 2 electrons would look like

• Be²⁺

• B^2-

• B²⁺

• Be^2-

Tags

NGSS.MS-PS1-1

The cation Rb⁺ has

• Had nothing happen to it

• Gained 1 electron

• Lost 1 electron

• Become negative

Describe the anion S^2-

• Silicon that gained 2 electrons

• Sulfide that gained 2 electrons

• Sulfur that gained 2 electrons

• Strontium that gained 2 electrons

Which statement best describes the following species: Al³⁺

• This is an aluminium cation. It has lost 3 electrons

• This is an aluminium cation. It has gained 3 electrons

• This is an aluminium anion. It has lost 3 electrons

• This is an aluminium anion. It has gained 3 electrons

Elements from groups 1-3

• Are metals and lose electrons in a chemical reaction to become CATIONS

• Are metals and lose electrons in a chemical reaction to become ANIONS

• Are metals and gain electrons in a chemical reaction to become CATIONS

• Are metals and gain electrons in a chemical reaction to become ANIONS

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Phosphorus does the following in a chemical reaction

• LOSES 3 electrons to become an ANION

• LOSES 3 electrons to become a CATION

• GAINS 3 electrons to become a CATION

• GAINS 3 electrons to become an ANION

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which statement best describes the following species: O^2-

• This is an oxygen anion. It is called oxygen

• This is an oxygen anion. It is called oxide

• This is an oxygen cation. It is called oxygen

• This is an oxygen cation. It is called oxide

Tags

NGSS.MS-PS1-1

What force holds together cations and anions in ionic bonds?

• The electrical attraction between the positive cation and the negative anion

• The electrons shared between the positive cation and the negative anion

• The magnetic attraction between the positive cation and the negative anion

• The gravitational attraction between two pieces of matter

Tags

NGSS.MS-PS2-5

Which of the following is a cation?

• Chloride

• Sodium

• Bromide

• Iodide