When an apple is cut, it often turns brown. What does the color change indicate? Select one: a. physical and chemical changes b. chemical change only c. physical change only

What is a potential risk of genetically modified food? A) The food may not grow as rapidly. B) The food may not taste good. C) The food may not have a long shelf life. D) The food may not be healthy to eat

Which ion will form a basic solution when dissolved in water? hso4-?

Does a large or small body cool faster?

True or False the law of conservation of matter states that matter can be created?

If element b has 4 prtons how many would an atom of element c have

Consider the following half-reactions: Half-reaction E° (V) I2 (s) + 2e - 2I - (aq) 0.535V 2H + (aq) + 2e - H2 (g) 0.000V Zn2 + (aq) + 2e - Zn (s) - 0.

Where did the longest tsunami form?

Calculate the number of H atoms in 0.190 mole C 6 H 14 O .

What fuel is produced by the electrolysis of water? chlorine gas hydrogen gas natural gas oxygen gas

Model describe how you would show j. j. thomson's model of the atom using small beads and clay