Mr P and his Chemistry

Which of the following statement(s) describes a solid?

• Particles vibrate whilst moving around each other

• Particles vibrate about a fixed position

• Particles have strong forces of attraction between each other

• Solids have no fixed shape but do have a fixed volume

How would you collect the water from a mixture of water and Ethanol?

• Simple distillation

• Filtration

• Chromatography

• Decanting

If an atom has a Mass of 20 and has 11 electrons surrounding the nucleus, how many Neutrons does it have?

• 11

• 20

• 9

• Cannot tell from information given.

If an atom has 22 electrons surrounding the nucleus, what is its electron configuration?

• 2,8,8,4

• 2,10,8,4

• 4,8,8,2

• 8,8,8

What is the charge and relative mass of a neutron?

• Positive charge, relative mass of 1

• Negative charge, relative mass of 1

• No charge, relative mass of 0

• No charge, relative mass of 1

How do metals form ions from atoms?

• Lose protons

• Gain protons

• Lose electrons

• Gain electrons

Atoms from Group II of the periodic table form ions with what charge?

• +1

• +11

• +2

• +3

Why do atoms form ions? Select the correct statements

• To achieve a full outer shell

• To become more reactive

• To become more stable

• To achieve the electron arrangement of a noble gas

What are the typical properties of a transition metal? Select all correct statements.

• Less reactive than Group I and Group II

• Form coloured compounds

• Poor catalysts

• Only one oxidation state

Which is the most reactive non metal?

• Francium

• Flourine

• Helium

• Argon