During physical changes, matter always retains its

Which sub-atomic particle is positively charged and found in the nucleus? a. proton b. neutron c. electron d. beta particle

How is condensation explained by the Kinetic Molecular Theory? Cooling reduces particle motion, resulting in coalescence by attractive forces. Cooling increases collisions, which causes molecules to bond together.

An unstable nucleus ___ A. increases its nuclear mass by fission B. increases its half-life C. emits energy when it decays D. expels all of its protons

Define a salt bridge. Define a salt bridge. A pathway between the cathode and anode in which ions are oxidized. A pathway, composed of salt water, that ions pass through. A pathway between the cathode and anode in which ions are reduced.

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Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?

How does concentration affect our daily lives in science?

How many nitrogen atoms are in 2.79 mo. of NH3

What is the chemical formula for polysaccharide?