Page 227 - Science Course 1 (Book 1)

Across Down
3. between metals and nonmetals on the periodic 1. on the right side of the periodic table
table 2. increase, then decrease across a period
5. shows chemical symbol, atomic number, and 4. only nonmetal not located on left side of the
atomic mass periodic table
7. number of protons in the nucleus of each of that 6. on the left side and in the middle of the periodic
element’s atoms table
8. chart of elements arranged according to their
properties
9. latest elements added to the periodic table

Mo6-L4: Key Concept Check

Directions: Use the periodic table to complete the chart.

What is the Is it a metal,
What state of
Element atomic number? nonmetal, or matter is it in? Where is it?
metalloid?
Period:
Carbon (C) Group:

Period:
Platinum (Pt) Group:

Period:
Iron (Fe) Group:

Period:
Hydrogen (H) Group:

Period:
Cobalt (Co) Group:

Period:
Group:
Arsenic (As)

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