Atomic Structure and Chemical Bonding quiz (Singapore O-Level Chemistry, SEAB 6092) quiz
14questions. Pick an answer and you'll see why right away.
Which subatomic particle defines which element an atom is?
An atom has a proton number of 11 and a nucleon number of 23. How many neutrons does it have?
What are isotopes?
Why do isotopes of an element have the same chemical properties?
What is the electronic configuration of a sulfur atom (proton number 16)?
What type of bonding forms when a metal reacts with a non-metal?
Why does a simple molecular substance such as iodine have a low melting point?
Which property is explained by the delocalised electrons in a metal?
Why does an ionic compound conduct electricity when molten but not when solid?
How many electrons are shared in a single covalent bond?
Diamond and graphite are both giant covalent structures of carbon. Why does graphite conduct electricity but diamond does not?
An element X has the electronic configuration 2,8,1. What ion is it most likely to form?
Why is an alloy harder than the pure metal?
How many electrons does a neutral atom of fluorine (proton number 9) have, and how many are in its outer shell?