What does the plus mean next to an element

Explain how a redox reaction involves electrons in the same way that acid-base reaction involve protons

Multicellular plants and animals have warden super for specific functions what do eukaryotic cells have to perform specific functions

Which of the following would a chemist be most likely to study? a. The developmental stages of corn b. Using corn to develop a new polymer c. The type of insects that eat corn d. The disease resistance of genetically midified corn

To break a chemical bond, energy must be (1) absorbed (2) destroyed (3) produced (4) released

Acids are described as corrosive because they a. turn litmus blue. b. taste bitter. c. "eat away" at other materials. d. feel slippery.

Explain what happens to water when heat energy is absorbed a. Ice melts b. Liquid water freezes c. Water vapor condenses

Will fluorine form an anion or a cation? Why?

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has 1). More protons than neutrons 2). More neutrons than protons. 3) a total of 2 valence electrons. 4).

When bases dissolve in water they release what type of negative ion?

An acid is added to water, and a new equilibrium is established. What is the system after the acid is added?