Elements in a group or family have similar A. atomic weights. B. chemical properties. C. atomic sizes. D. physical properties.

If a simple machine reduces the strength of a force, what must be increased?

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87