Balancing chemical equation ]

What is required for an electron to move between energy levels?

Two different sub-atomic particles are described below: Particle X: No charge Particle Y: Outside the nucleus Which Statement is true? A. X is a neutron and Y is an electron. B. X is a neutron and Y is a proton. C. X is a proton and Y is an electron.

An ion from a given element has 82 protons and 80 electrons. what is the charge on the ion? what is the name of the element? what is the symbol for the ion?

Polycarbonate plastic has density of 1.2g/cm cube

Why are electrolytes so important?

Why is it possible to bend metals but not ionic crystals

If the concentration of an analyte in a solution prepared by digesting a 2.05 g solid sample and making up to 100 mL, is found to be 21.1 mg L-1. What was the mass percentage of the analyte in the original sample?

If a particular ore contains 58.5% calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus?

What is the difference between friction and gravity

When an action force occurs, the reaction force is always Question 6 options: A. in the same direction as the action force. B. applied to the same object as the action force. C. nonexistent. D. equal and opposite to the action force.