What is the one or two letter character used to identify an element? element symbol

chemical symbol

chemical name

atomic letters

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Will mark brainliest how many electrons can be held in the energy level n = 4?