2.  An elements properties can be predicted form its _______________________.

3.  Location on the periodic table

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

5.  Ductile

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

7.  proton

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

9.  False

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

11.  Atomic number

12.  Dmitri Mendelev created the first _____________________.

13.  Periodic table

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

15.  Valence Electrons

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

17.  Metalloids

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

19.  Alkali metals

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

21.  Lanthanides and Actinides

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

23.  Alloy

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

25.  False

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

27.  False

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

29.  True

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

31.  False

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

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

34.  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?

35.  Transition metal

36.  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?

37.  Alkali Metals

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

39.  Hydrogen

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

41.  False  Helium

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

43.  Diatomic molecule

44.  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?

45.  The Halogen Family

46.  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?

47.  The Noble Gas Family