What do scientists use to increase the surface area of a solute? heat a beaker a mortar and pestle a flask a stir bar

A. it is physical change

Which of these are made up of matter? Check all that apply. parts of outer space where there is no air or atoms salt dissolved in water air in the lower levels of the Earth's atmosphere leather made from cow hides metal after if has been molded

What is the location, mass size, and charge of the 3 subatomic particles?

What is another name for beta minus particle?

Are elements with similar chemical properties found in the same period or group on the periodic table?

A nuclear reaction only involves valence electrons. True or False?

If a farmer wants to increase the health of his crops, he could apply a nitrogen-based fertilizer. why is nitrogen important to plants?

A car battery produces electrical energy with the following chemical reaction. Pb + PbO2 + 2H2SO4; 2PbSO4 + 2H2O What is the mole ratio of PbO2 to water?

Which of the following is an example of the electrostatic force acting in a atom a. a neutron attracting a electron b. a neutron attracting a proton c. an electron attracting another electron d. a proton attracting an electron

When does water move between the surface of earth and the atmosphere