Front

What determines the order of elements on today's periodic table?

Back

increasing atomic number

Front

From this element key of Nitrogen, determine the atomic mass of nitrogen

Back

14.01

Front

Which list of elements forms a group on the periodic table? Options: Li, Be, B, C, N, O, F, and Ne; He, Ne, Ar, Kr, Xe, and Rn; B, Si, As, Te, and At; Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Ni, and Zd

Back

He, Ne, Ar, Kr, Xe, and Rn

Front

Which is NOT a property of metals? Options: brittleness, conductivity, ductility, luster

Back

brittleness

Front

What are two properties that make a metal a good choice to use as wire in electronics?

Back

ductility, conductivity

Front

Where are most metals on the periodic table?

Back

on the left side and in the middle

Front

Using the periodic table, which element is a metalloid? Options: carbon, silicon, oxygen, aluminum

Back

silicon

Front

What is one property of iodine?

Back

dull appearance

Front

What happens to elements in group 17 as atomic number increases?

Back

Both melting point and boiling point increase.

Front

What is one similarity among elements in a group?

Back

chemical properties