1st Form Revision Summer

Which of the following symbols indicates a flamable liquid

• 
• 
• 
• 

In which state of matter do particles move quickly in each direction

• Solid

• Liquid

• Gas

Which of these should you do when reading the level of a liquid?

• Read from your standing height

• Take measure from the top of the miniscus line

• Lift up the graduated cylinder to read the value

• Bend down as close as possible to the line and read the level at the bottom of the miniscus

Which of these is a false statement about elements

• Elements are pure substances

• Two or more atoms chemically combined make an element

• Atoms of different element combine to form a compound

• Oxygen & Carbon are examples of elements

Atoms of elements that are in the same group have the same number of

• protons.

• neutrons.

• valence electrons.

• protons and neutrons.

Elements with a full outer most shells are found in group / column

• 1

• 18

• 12

• 6

An example of an element with a full outermost shell is

• Helium

• Aluminium

• Carbon

• Oxygen

Halogen elements are found in which group

• 17

• 1

• 9

• 14

Reactive metals that must be stored in oil are found in which group

• 17

• 1

• 9

• 14

An example of a reactive metals that must be stored in oil is

• Lithium

• Chromium

• Calcium

• Copper