The first eighteen chemical elements on the periodic table are described below in a series of statements. The first 1S letters o
f the alphabet (A-R) have been arbitrarily assigned to replace the standard chemical symbols for these elements. From the information given below, determine the proper location of the "mystery" elements.
1) The following elements belong together in groups: BF, EQ, PR, DC, J0, NK, G& HIM
2) Element D has four valence electrons.
3) Element E has the greatest electronegativity in its period.
4) Element B has fairly low first and second ionization energies and a lower boiling point than the other member of its group.
5) Concerning chemical reactivity in one period, the following are in increasing order: MFL
6) Element A really doesn't have a family to call its own and is a diatomic gas at room
7) Element I will not combine with P or Q
8) Element G is larger than M
9) The compound that forms between R and K ions has the formula R2K3.
10) Element R is more metallic than its family partner
11) At room temperature, Element O is a diatomic gas, while J is a nonmetallic solid.
12) Element Qis heavier than M, but slightly larger than MM
13) When Element C loses its valence electrons, it has the same electron structure as neutral H
14) Element I has the highest nuclear charge of the elements listed.
15) N's first ionization energy is greater than K's
1. Aqeuous or dissolved 2.AgNO3+ NaCl are reactants 3. NaNO3 is precipitate 4. Reaction is endothermic(Delta stands for Heat) 5. Neither a reactant nor a product, MnO2 is a catalyst
