Propose and argue using CER (Claim - Evidence - Reasoning) an alternative element to use in solar cells different from silicon. Use evidence of atomic structure, periodic trends, and chemical bonding properties as evidence for your argument

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy