Chemistry-

• In the periodic table what is the protons the same as?

  The protons are the same as the electrons
• What does mole (science term) mean?

  The amount of substance/ a word that represents a number
• What is the mole equation (science term)?

  number of moles= mass in grams divided by formula mass
• The mass of one mole of a substance is numerically equal to?

  Its relative atomic mass/ formula mass (in grams)
• Why are ionic compounds able to conduct electricity?

  Ions are free to move and carry charge
• Elements are arranged by?

  Reactivity and atomic mass in a group with the same number of outer electrons
• To evaporate means?

  To move from a liquid to a gas
• What does Mr mean?

  Relative formula mass
• Relative formula mass is an average of all?

  Isotope masses
• Solute meaning?

  Something that gets dissolved
• Solvent meaning?

  A liquid that does the dissolving
• Solution meaning?

  Mixture of a solute and a solvent
• Concentration meaning?

  Number of particles of a solute in a set volume of solvent
• The more particles in an orange juice liquid the more?

  The more concentrated the solution is
• Concentration is usually expressed in?

  Moles per litre/ Grams per litre - g/l and grams per decimetre cubed
• 1 litre is equal to how many decimetres cubed?

  1 litre is equal to 1000 decimetres cubed
• Concentration equation?(written)

  Concentration(grams per decimetre cubed)= amount of solute divided by volume of solution
• If the volume of solution you have is cm3 you need to convert it to dm3 by dividing by?

  1000
• Concentration equation?(symbols)

  Concentration(mol/dm3) = moles divided by volume(dm3)