propriate calcium oxide,
aluminium hydroxide
Write answers to the following
questions and explain your answers,
a. Explain how the element sodium isvmonovalent
b. M is a bivalent metal. Write down the steps to find the chemical formulae of its compounds formed with the radicals, sulphate and
phosphate
c. Explain the need for a reference atom for atomic mass.Give someinformation about two reference atoms.
d. What is meant by Unified Atomic Mass.'
e. Explain with examples what is
meant by a 'mole' of a substance.
plzz give me anawer
Answers
Answered by
1
Answer:
e Answer - > One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon - 12(6. 023×1023). The mass of one mole of a substance equals to its relative molecular mass expressed in grams.
Answered by
2
Answer:
come on yrr mxt-aizk-upm
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