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Periodic Table of Elements
Explore questions in the Periodic Table of Elements category that you can ask Spark.E!
- Atoms with a very + electron affinity ________ so energy is absorbed
- Who arranged the periodic table according to atomic charge rather than atomic mass
- Cationic radii ______ across a period and _______ down a group
- Ionization energy ________ across a period and __________ down a group
- Alkaline Earth Metals (location and characteristics)
- What is the rest of the atom occupied by
- How many valence electrons do alkali metals have
- arranged by increasing atomic number, metals on the left, nonmetals on the right, metalloids are the stair steps between, Elements are arranged because they have similar properties (same number of valance electrons)
- ____________ have the lowest first ionization of the groups listeda) Transition metalsb)Alkali earth metals c)Halogensd) Alkali Metalse)Noble gases
- which atom is the most electronegative?a)Sib)Sc)Cld)Rbe)Ca
- which of the following has the largest first ionization energy?a)Kb)Rbc)Srd)Bae)Ca
- which of the following has the largest first ionization energy?a) Bb)Pc)Nd)Sie)C
- What is the ability of an atom in a molecule to attract electrons
- In which of the following atom is the 3s orbital closest to the nucleus?a)Brb)Atc)Cld)Ie)They're the same distance in all of these atoms
- which atom is the least electronegative?a)Cab)Sic)Rbd)Fe)Cl
- The atomic radius of a main group elements generally increases down a group because a)effective nuclear charge increases own a group b) effective nuclear charge decreases own a group c) effective nuclear charge zig zags down a group d) the principal quantum number of the valance orbitals increasee) both effective nuclear charge increases own a group an the principal quantum number of the valance orbitals increase
- electronegativity _____________ from left to right and _________ from top to bottom
- Which one of the following has the largest radius ?a) Srb) Cac) Cod) Ie) Ba
- Which one of the following has the largest radius ?a) Srb) Kc) Cad) Nae) Rb
- which atom is the most electronegative ?a)Nb)Fc)Brd)Cle)O