Group 1 & Group 2 elements

Group 1 elements are also known as

• Noble gas

• Halogen

• Alkaline earth metals

• Alkali metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What can be seen when a piece of magnesium ribbon is placed in cold water?

• A vigorous effervescence occurs

• Bubbles of gas form slowly on the magnesium

• The magnesium floats on the surface of the water and reacts quickly

• The magnesium glows and a white solid is produced

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is the most reactive in water?

• Lithium
• Sodium
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is NOT an alkali metal

• Li
• Cl
• K
• Cs

Which is the lightest alkali metal?

• Aluminium
• Hydrogen
• Lithium
• Potassium

Tags

NGSS.HS-PS1-1

What is the atomic number of lithium

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

When an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?

• True
• False

Tags

NGSS.HS-PS1-1

Name group 2 on the periodic table.

• alkali metals
• alkaline earth metals
• noble gases
• transition metals

Tags

NGSS.HS-PS1-1

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Tags

NGSS.HS-PS1-1