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

• Group 1
• Group 2
• Group 7
• group 8 

Tags

NGSS.HS-PS1-1

Which of the following is the most reactive in water?

• Lithium
• Sodium
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is formed when sodium reacts with water?

• sodium oxide and hydrogen
• sodium hydroxide and hydrogen
• sodium hydroxide and oxygen
• sodium hydroxide and carbon dioxide

Tags

NGSS.MS-PS1-5

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

• 2Na + 2H₂O → 2NaOH + H₂
• Na + H₂O → NaOH + H
• Na + H₂0 → NaCl + CO₂
• 2Na + 2H₂O → 2NaH₂ + O₂

Tags

NGSS.HS-PS1-7

Which of the following statements is true?

• In a chemical reaction atoms are created
• In a chemical reaction atoms are destroyed
• In a chemical reaction the arrangement of the atoms is changed
• In a chemical reaction the arrangement of the atoms remains the same, but the physical state (solid,liquid,gas) changes

Tags

NGSS.HS-PS1-7

Which of the following is NOT an alkali metal

• Li
• Cl
• K
• Cs

What is another name for the elements in group 7?

• The Halogens
• The Noble gases
• The Oxides
• The Alkali Metals

What is the atomic number of lithium

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

Which alkali metal is most reactive out of the following

• rubidium

• potassium

• sodium

• lithium

Tags

NGSS.HS-PS1-2

How many electrons do the alkali metals have in their outer shell?

• 1

• 2

• 8

• 7

Tags

NGSS.HS-PS1-1