a ionic compound is made of a _____ and a _____
metal and nonmental
the organ that pumps blood to your body
heart
the nerve in the back of your eye
optic nerve
what is the smallest unit of element
a atom
the process of cells dividing to make two identical daughter cells
mitosis
the angle between the incident ray and the normal
angle of incidence
the genetic material found in the nucleus of a eukaryotic cell
DNA
the angle between the reflected ray and the normal
angle of reflection
this type of reaction involves the breakdown of a compound
decomposition reaction
the organelle known as the powerhouse of the cell
mitochondria
light travels in ______ lines
two or more substances forming to make a new compound
synthesis reaction
photosynthesis
what colors is white light
rainbow