GROUP 1 & 17 QUIZ

Group 1 elements are also known as

• Noble gas

• Halogen

• Alkaline earth metals

• Alkali metals

Arrange the elements in group 1 from the top to bottom of the group.

• Li, Na, K, Fr, Rb, Cs

• Li, Na, K, Rb, Fr, Cs

• Li, Na, K, Rb, Cs, Fr

• Fr, Cs, Rb, K, Na, Li

Group 1 elements only form ….. Ion

• 1+

• 1-

• 2+

• 2-

What gas is given off when group 1 elements reacts with water?

• Hydrogen

• Oxygen

• Carbon dioxide

• Helium

Tags

NGSS.MS-PS1-2

When a group 1 element reacts with water, a hydroxide is formed. What colour would Universal Indicator turn in this solution?

• Green

• Blue

• Yellow

• Red

Tags

NGSS.MS-PS1-2

How many electrons are in the outer shell of group 1 elements?

• 0

• 1

• 2

• 3

Why does the reactivity of group 1 elements increases down the group?

• It becomes more reactive

• It becomes easier to accept an electron

• It becomes easier to lose an electron

• It becomes less reactive

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Q and R are two elements located in the same group. The proton number of Q is 9. What is the possible electron arrangement of atom R?

• 2.8.7

• 2.8.8

• 2.8.8.1

• 2.8.8.4

What is the factor that determines the chemical properties of an element?

• The number of electron shells

• The number of electrons in the innermost shell

• The number of electrons in the outermost shell

• The number of neutrons in the nucleus

The following statements describe the characteristics of an element

• has an electron configuration 2.8.7
• a greenish-yellow gas at room temperature
• exists as a diatomic molecule

This element is probably

• sodium

• neon

• bromine

• chlorine