## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95e: 99

#### Answer

$\begin{matrix} S&N\\ B&I \end{matrix}$

#### Work Step by Step

1-2: too broad of a definition to be conclusive 3-4: only metal in group 5A is bismuth (Bi) 1-3: metalloid with the second symbol letter being B: Antimony (Sb) 2-4: metals used in US coins: Cu, Ni, Zn, second letter being i: nickel (Ni) Checking: 1: S is yellow as a solid and red as a liquid, a nonmetal. 2: N is colorless and gaseous at room temperature, a nonmetal. 3: B does make fireworks green. 4: I is used to treat hypothyroidism. 1-4: Si is used to make electronic components. 2-3: Nb is used to make superconducting magnets. $\begin{matrix} S&N\\ B&I \end{matrix}$

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