O-Level Combined Science, Chemistry: Atoms, Bonding and the Mole module quiz (SEAB 5076/5078) quiz
13questions. Pick an answer and you'll see why right away.
According to the kinetic particle theory, how are particles arranged in a solid?
Why can a gas be compressed much more easily than a liquid?
What does the proton number (atomic number) of an atom tell you?
Two atoms are isotopes of the same element. They must have
An element has the electronic configuration 2,8,1. In which group and period is it?
Ionic bonding involves
Why do simple covalent (molecular) substances have low melting points?
Why does solid sodium chloride NOT conduct electricity?
What is the relative formula mass of carbon dioxide, CO2? (Ar: C = 12, O = 16)
How many moles are in 36 g of water, H2O? (Mr = 18)
In the reaction 2H2 + O2 gives 2H2O, how many moles of water form from 2 mol of hydrogen?
Diffusion is best explained by the kinetic particle theory as
Which property is typical of an ionic compound such as magnesium oxide?