 An elements properties can be predicted form its _______________________.

 Location on the periodic table

 If a substance is ____________, it can be pulled or drawn into a wire.

 Ductile

 A _______________ is a positively charged particle in an atom’s nucleus.

 proton

 True or False Metals are malleable, ductile, brittle and good conductors.

 False

 An element’s ________________ shows the number of protons in its nucleus.

 Atomic number

 Dmitri Mendelev created the first _____________________.

 Periodic table

 The particles that are involved in the transfer or sharing between atoms are ____________________.

 Valence Electrons

 A(n) _____________________ has some of the properties of both metals and nonmetals.

 Metalloids

 The family of _______________ is the most reactive group of metals in the periodic table.

 Alkali metals

 The ____________ and the ________________ are shown at the bottom of the periodic table in order to keep the table a reasonable size.

 Lanthanides and Actinides

 A mixture of metals is called a(n) __________________.

 Alloy

 True or False Nonmetals are good conductors of heat and electricity.

 False

 True or False From left to right on the periodic table, the elements are arranged in order of decreasing atomic mass.

 False

 The mass of a proton is about one atomic mass unit.

 True

 True or False The reactivity of the metal elements generally increases as you move from left to right across the periodic table.

 False

 What are the pieces of information found in a square on the periodic table?

 Atomic number –  Chemical symbol –  Name of element –  Atomic mass -

 Name my group? I am a solid that is moderately reactive. I conduct heat and electricity well. Sometimes my metals have unusual colors. What family am I?

 Transition metal

 Name my group? I am a solid that is highly reactive. I appear silver- white. I conduct heat and electricity well. What family am I?

 Alkali Metals

 The sun and many other stars are made mostly of the element __________________.

 Hydrogen

 True or False  Nitrogen nuclei and energy are the products of the nuclear fusion of the sun’s hydrogen.

 False  Helium

 When two identical nonmetal atoms are bonded together, the result is a(n) __________________________.

 Diatomic molecule

 I am a gas at room temperature. I have a greenish-yellow color. I am highly reactive and I have poor conductivity. What family do I belong?

 The Halogen Family

 I am colorless and at room temperature I am a gas. I do not conduct heat or electricity well. I do not react to other elements. What family do I belong?

 The Noble Gas Family