Inorganic Cations

Question 1

What is the charge of aluminum?

Answer 1

3+

Aluminum is commonly represented as Al^3+.

Question 2

What is the formula for ammonium?

Answer 2

NHa+

Ammonium is a positively charged polyatomic ion.

Question 3

What is the charge of barium?

Answer 3

2+

Barium is represented as Ba^2+.

Question 4

What is the charge of cadmium?

Answer 4

2+

Cadmium is represented as Cd^2+.

Question 5

What is the charge of calcium?

Answer 5

2+

Calcium is represented as Ca^2+.

Question 6

What is the symbol for cesium?

Answer 6

Cst

Cesium is a soft, gold-colored alkali metal.

Question 7

What is the charge of chromium in its trivalent form?

Answer 7

3+

Chromium(III) is also known as chromic.

Question 8

What is the charge of cobalt in its divalent form?

Answer 8

2+

Cobalt(II) is also referred to as cobaltous.

Question 9

What is the charge of copper in its monovalent form?

Answer 9

1+

Copper(I) is also known as cuprous.

Question 10

What is the charge of copper in its divalent form?

Answer 10

2+

Copper(II) is also known as cupric.

Question 11

What is the chemical symbol for hydrogen?

Answer 11

H

Hydrogen is the simplest and most abundant element in the universe.

Question 12

What is the charge of iron in its divalent form?

Answer 12

2+

Iron(II) is also referred to as ferrous.

Question 13

What is the charge of iron in its trivalent form?

Answer 13

3+

Iron(III) is also known as ferric.

Question 14

What is the term for positively charged ions?

Answer 14

Cation

Cations are formed when an atom loses one or more electrons.

Question 15

What is the charge of lead in its divalent form?

Answer 15

2+

Lead(II) is also referred to as plumbous.

Question 16

What is the symbol for lithium?

Answer 16

Li

Lithium is a soft, silvery-white metal.

Question 17

What is the charge of magnesium?

Answer 17

2+

Magnesium is represented as Mg^2+.

Question 18

What is the charge of manganese in its divalent form?

Answer 18

2+

Manganese(II) is also referred to as manganous.

Question 19

What is the charge of mercury in its monovalent form?

Answer 19

1+

Mercury(I) is also known as mercurous.

Question 20

What is the charge of mercury in its divalent form?

Answer 20

2+

Mercury(II) is also known as mercuric.

Question 21

What is the symbol for potassium?

Answer 21

K

Potassium is an essential mineral for human health.

Question 22

What is the charge of rubidium?

Answer 22

1+

Rubidium is a member of the alkali metal group.

Question 23

What is the symbol for silver?

Answer 23

Ag

Silver has been used for currency and jewelry for centuries.

Question 24

What is the symbol for sodium?

Answer 24

Na

Sodium is an essential element in the human diet.

Question 25

What is the charge of strontium?

Answer 25

2+ ## Footnote Strontium is often used in fireworks and flares.

Question 26

What is the charge of tin in its divalent form?

Answer 26

2+ ## Footnote Tin(II) is also referred to as stannous.

Question 27

What is the charge of zinc?

Answer 27

2+ ## Footnote Zinc is important for immune function and wound healing.

Question 28

Mercury exists as a pair of ions. True or False?

Answer 28

True ## Footnote Mercury has two common oxidation states: +1 and +2.