Exploring Metals and Their Reactions

What happens when sodium reacts with water?

• It forms sodium oxide and hydrogen gas.

• It forms sodium hydroxide and hydrogen gas.

• It forms sodium chloride and water.

• It forms sodium carbonate and carbon dioxide.

Which gas is produced when magnesium reacts with oxygen?

• Carbon dioxide

• Hydrogen

• Oxygen

• None of the above

What is the name of Group 1 in the periodic table?

• Alkaline earth metals

• Halogens

• Noble gases

• Alkali metals

What is the electronic configuration of the first shell in an atom?

• 2 electrons

• 8 electrons

• 18 electrons

• 32 electrons

Which of the following is a synthesis reaction?

Which element is the 10th in the periodic table?

• Neon

• Sodium

• Magnesium

• Fluorine

What is the electronic configuration of carbon using shells?

Which of the following is a compound?

• Oxygen

• Water

• Helium

• Nitrogen

What is the main component of a molecule?

• Atoms

• Electrons

• Protons

• Neutrons

Which of the following metals reacts vigorously with water?

• Gold

• Iron

• Potassium

• Copper