Science 10 Final Review

What does the symbol "2" represent?

• Flammable
• Corrosive
• Oxidizing agent
• Compressed gas

What does the symbol "3" represent?

• Reactive 
• Bioharzardous
• Flammable
• Corrosive

What does the symbol "6" represent?

• Oxidizing agent
• Toxic substance causing immediate and serious effects
• Toxic substance causing other effects
• Compressed gas

Chemical properties are used to describe which of the following of a substance?

• The composition
• The state
• Reactivity
• The appearance

Which of the following is an example of a physical change?

• Evaporating water
• A car rusting
• Fireworks
• Baking a cake

In the periodic table, the family that lithium and cesium belong to is called the...

• alkali metals
• alkaline-earth metals
• halogens
• noble gases

In the periodic table, the family that bromine and iodine belong to is called the...

• alkali metals
• alkaline-earth metals
• halogens
• noble gases

In the periodic table, the family that does not readily react is the...

• alkali metals
• alkaline-earth metals
• halogens
• noble gases

Which of the following is true of metals?

• They lose electrons to become cations
• They lose electrons to become anions
• They gain electrons to become cations
• They gain electrons to become anions

Which of the following is true of non-metals?

• They lose electrons to become cations
• They lose electrons to become anions
• They gain electrons to become cations
• They gain electrons to become anions