3. Complex compound in which ligands are bonded at two or more points to the central atom. 4. First metal to be discovered. 5.() n are generally referred to as ________. 9. Study of adverse effects of chemicals on living organisms. 10. Shape of I3-. 13. An alloy composed of nickel and chromium, used as resistance wires. 15. Most reactive noble gas. 16. Former name of Radon.
3. Complex compound in which ligands are bonded at two or more points to the central atom. 4. First metal to be discovered. 5.() n are generally referred to as ________. 9. Study of adverse effects of chemicals on living organisms. 10. Shape of I3-. 13. An alloy composed of nickel and chromium, used as resistance wires. 15. Most reactive noble gas. 16. Former name of Radon.