Alkali metals

Question 1

Alkali metals are found in which group of the periodic table?

Answer 1

Group 1

Question 2

Which of the following is the most reactive in water: Lithium, Sodium, Potassium

Answer 2

Potassium

Question 3

What is formed when sodium reacts with water?

Answer 3

sodium hydroxide and hydrogen

Question 4

What is the symbol equation for the reaction between sodium hydroxide and water?

Answer 4

2Na + 2H2O → 2NaOH + H2

Question 5

T or F? In a chemical reaction the arrangement of the atoms is changed

Answer 5

True

Question 6

Which of the following is NOT an alkali metal: Li, K, Cs, Cl

Answer 6

Cl

Question 7

Which is the lightest alkali metal?

Answer 7

Lithium

Question 8

What is the atomic number of Lithium

Answer 8

3

Question 9

Sodium reacts with chlorine to form

Answer 9

Sodium Chloride

Question 10

T or F? Alkali Metals float on water

Answer 10

True

Question 11

What ion is responsible for solutions being alkali

Answer 11

Hydroxide

Question 12

Potassium is more reactive than Lithium because

Answer 12

It loses electrons easier

Question 13

Why do Group 1 Metals have similar reactions

Answer 13

same number of electrons in their outer shell

Question 14

T or F? Group 1 metals are hard and brittle?

Answer 14

False, they are soft and easily cut

Question 15

Which is the only Group 1 metal which reacts with water and produces a flame (Lilac)

Answer 15

Potassium

Question 16

Lithium reacts with Oxygen to form

Answer 16

Lithium oxide