29. If the chemical equation for a single replacement reaction is: 2A + BX → A2X+B
What type of particle is A?
A An ionic compound.
b. a covalent molecule.
C non-metal element.
d. a metal element.

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

Which three statements represent the benefits of performing experiments using computer simulations?

Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.