If the element x has 2 protons how many electrons does it have

What are the four peices of matter

What property of a light bulb's filament causes it to glow? 1. high voltage 2. high resistance 3. low resistance 4. low voltage

At 1.75 atm, a sample of gas takes up 2.88L. If the pressure in the gas is increased to 2.25 atm, what will the new volume be

As a parcel of air rises, it will (expand or compress) and (warm or cool).

A container of gas has a pressure of 3.4 atm at 30 ° C. If the gas is compressed to 1.5 atm, what is the new temperature?

You add heat to matter, the atoms that make up the matter will begin to move?

What is the h2 h2o molar ratio?

Which of earth's systems was most affected by fossilized dinosaurs? A. Biosphere B. Hydrosphere C. Lithosphere D. Atmosphere

What factors are used to determine whether a bond will be polar or nonpolar? And what factors are used to determine whether a molecule will be polar or nonpolar?

The model of the atom evolved over time as scientific investigations uncovered new properties and observations about the atom. Describe the function of a model in scientific investigations.