Salt is an ionic compound containing anions and cations. When dissolved in bodily fluids (water), salts easily ___________________. Why does this happen?

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Presentation transcript:

Salt is an ionic compound containing anions and cations. When dissolved in bodily fluids (water), salts easily ___________________. Why does this happen? Because ions are CHARGED particles, all salts are ___________________. Is an acid a proton donor or proton acceptor? A pH of 8.5 is acidic or basic? A pH of 2.7 is acidic or basic?

Physical Changes: DO NOT alter the basic nature of the substance Chemical Changes: DO alter the composition of the substance

Massless and does not take up space

Stored in bonds of chemical substances When bonds are broken energy is released Examples?

From the movement of charged particles Generated when ions (charged particles) move across cell membranes Other examples?

From the movement of charged particles Generated when ions (charged particles) move across cell membranes

DIRECTLTY involved in moving matter Musculoskeletal movement

Travels in waves X-rays, infrared radiation (heat), visible light, radio and UV waves Light energy stimulates retina in the eye UV light – vitamin D

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