Which of the following describes metallic character on the periodic table? A. It increases as you move left to right within a period and down a group on the periodic table.
B. it increases as you move right to left to right within a period and up a group on the periodic table.
C. It increases as you move left to right within a period and up a group on the periodic table.
D. it increases as you move right to left to right within a period and down a group on the periodic table

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

How can the periodic table be used to predict the behavior of elements?