N(A)-Level Combined Science, Chemistry: Atoms, Bonding and the Mole module quiz (SEAB 5105/5107) quiz
14questions. Pick an answer and you'll see why right away.
Which particle in an atom has a positive charge?
What does the proton number of an atom tell you?
An atom has a proton number of 17 and a nucleon number of 35. How many neutrons does it have?
How are elements arranged in the periodic table?
What happens to electrons during ionic bonding?
What is formed when non-metal atoms share electrons?
Which property is typical of an ionic compound?
Why do simple covalent substances usually have low melting points?
In which state are the particles packed closely in a fixed arrangement and only able to vibrate?
Which method would best separate a soluble salt from its solution in water?
What is the relative formula mass of water, H2O? (H = 1, O = 16)
How many moles are there in 18 g of water? (Relative formula mass of water = 18)
In a neutral atom, the number of electrons is equal to the number of
How many moles are there in 80 g of sodium hydroxide, NaOH? (Na = 23, O = 16, H = 1)