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What is the name given to the electrons in the highest occupied energy level of an atom?
The octet rule states that, in chemical compounds, atoms tend to have ____.
the electron configuration of a noble gas
How many electrons does silver have to give up in order to achieve a pseudo-noble-gas electron configuration?
What is the formula of the ion formed when cadmium achieves a pseudo-noble-gas electron configuration?
What is the formula of the ion formed when phosphorus achieves a noble-gas electron configuration?
which of the following is true about an ionic compound?
it is salt, it is composed of anions and cations, is held together by ionic bonds
how many valence electrons are transfered from the nitrogen atom to potassium in the formation of the compound potassium nitrate?
how many valence electrons are transfered from the calcium atom to iodine in the formation of the compound calcium iodide?
which of the following pairs of elements is most likely to form an ionic compound?
magnesium and fluorine
which of the following is true about the melting temp of potassium chloride
the melting temp is relatively high
what does the term coordination number in ionic crystals refer to
the number of oppositely charged ions surrounding a particular ion
under what conditions can potassium bromine conduct electricity?
only when melted or dissolved in water
what characteristic of metals makes them good electrical conductors ?
they have mobile valence electrons
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