Which statement is true about electronegativity? A. Electronegativity generally decreases from left to right across a period.

B. Electronegativity is the ability of an anion to attract another anion.

C. Electronegativity generally is higher for metals than for nonmetals.

D. Electronegativity generally increases as you go from bottom to top in a group.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

What is the chemical formula for a compound between li and br? libr li2br libr2 libr3

Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite