An equation that shows only the chemical formulas without anything to indicate relative amounts is called a .

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.