A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. Period. A horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right.
circumference - the length of the closed curve of a circle. length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; the length of the table was 5 feet. sextant - a unit of angular distance equal to 60 degrees.
Radius-A segment from the center of the circle to a point on the circle(the distance from the center to a point on the circle.) Circumference â distance around the edge of the circle Congruent Circles-two circles with the same radius.