Periodic Table Explorer
Explore the fascinating world of the Periodic Table with this Grade 7 science worksheet, covering elements, groups, periods, and properties.
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Periodic Table Explorer
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Refer to a periodic table if needed.
1. What is the fundamental property used to organize elements on the periodic table?
Atomic mass
Number of neutrons
Atomic number
Number of electrons
2. Elements in the same group (vertical column) on the periodic table tend to have similar:
Atomic numbers
Chemical properties
Physical states at room temperature
Atomic masses
3. The horizontal rows on the periodic table are called .
4. Elements that are good conductors of heat and electricity are known as .
5. The symbol for the element Oxygen is .
6. What is the difference between a group and a period on the periodic table?
7. All elements on the periodic table are naturally occurring.
True
False
8. Look at the element box below and answer the questions:
a) What is the atomic number of this element?
b) What is the atomic mass of this element?
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