mass may decrease because products are released to the air as gases. Try balancing iron wool on a pair of scales (a makeshift one can be set up using a carefully balanced metre rule). Heat the iron wool strongly to observe the increase in mass of the oxide. The relative atomic 4.5.2.3 Pupils are expected to use 1 Review the definition of mass of an element relative atomic masses in the relative atomic mass. compares the mass of calculations specified in the Recall how to find the relative atoms of the element subject content. with the 12C isotope. It atomic mass from the periodic is an average value for MS 1a, 3a table. the isotopes of the Calculate the relative formula Define the relative molecular element. mass (Mr) of a compound mass. The relative formula from its formula, given the Extended writing: mass (Mr) of a relative atomic masses. compound is the sum instructions to another of the relative atomic student how to calculate the masses of the atoms relative formula mass.
mass may decrease because products are released to the air as gases. Try balancing iron wool on a pair of scales (a makeshift one can be set up using a carefully balanced metre rule). Heat the iron wool strongly to observe the increase in mass of the oxide. 4.5.2.3 The relative atomic mass of an element compares the mass of atoms of the element with the 12C isotope. It is an average value for the isotopes of the element. The relative formula mass (Mr) of a compound is the sum of the relative atomic masses of the atoms Pupils are expected to use relative atomic masses in the calculations specified in the subject content. MS 1a, 3a Calculate the relative formula mass (Mr) of a compound from its formula, given the relative atomic masses. 1 Review the definition of relative atomic mass. Recall how to find the relative atomic mass from the periodic table. Define the relative molecular mass. Extended writing: instructions to another student how to calculate the relative formula mass.
AQA-8465-SOW-BUND.DOCX