is an atom that gains electrons; it's valence electrons is similar to a noble gas. ionic bond
covalent bond
anions
cations
melting point
boiling point
conductivity
polyatomic ions
valence electron
Metal
nonmetal
metaloids

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

The grooves or folds of the brain are called

1. list three scientific reasons cockroaches may fly.