Chemistry
Terms
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- the most characteristic property of the noble gases is that they_?
- are largely unreactive
- a measure of the ability of an atom is a chemical compound to attract electrons is called
- electronnegtivity
- compared to the alkali metals, the alkaline-earth metals
- are less reactive
- the energy required to remove an electron from an atom is the atom's
- ionization energy
- among the alkali metals below, which has the lowest melting point?
- cesium
- An equation that represesnts a neutral atom acquring an electron in an exothermic process?
- a +e---> a- + energy
- when determining the size of an atom by measuring the distance between identical adjacent nuclei, the radius of an atom is
- one half the distance between nuclei.
- atomic size is determined by measuring the
- distance between nuclei of adjacent atoms
- the most reactive group of nonmetals are the ?
- halogens
- when an electron is added to a netual atom, a certain amount of energy is
- either released or absorbed
- the elemt that has the greatest electronegativity is
- flourine
- The Alkali metals belong to the ____ block in the periodic table
- s
- the first members of the noble gase family, whose highest energy level consists of an octect of electrons, is
- neon
- the group of soft, silvery active metals, all of which have one elcteron in an s orbital, is known as the
- alkali metlas
- ionization energy is the energy required to remove_ from an atom of an element
- an electron
- one-half the distance between the nuclei of identical atoms that are bonded together is called the
- atomic radius