A materiallformed by the chemical combination of elements in defined proportions. Compounds can be chemically decomposed into simpler
substances. *
A. mixture
B. element
C. compound
D. solution

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?