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Test you chemistry IQ! Answer the following questions about elements and the periodic table.

1. Name that element!

--

2. Which of the following elements is NOT a noble gas?

A Helium (He)

B Xenon (Xe)

C Fluorine (F)

D Argon (Ar)

3. The atomic number of zirconium (Zr) is --.

A 13

B 40

C 74

D 83

4. An atom of which of the following elements has 24 protons?

A Chromium (Cr)

B Polonium (Po)

C Terbium (Tb)

D Magnesium (Mg)

5. What is aluminum's (Al) atomic mass?

A 10.81

B 26.982

C 30.974

D 72.59

6. What element has the letters "Sb" as its symbol?

A Antimony

B Seaborgium

C Selenium

D Mercury

[ILLUSTRATION OMITTED]

Answer Key: 1. Nickel 2. c 3. b 4. a 5. b 6. a
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Publication:Science World
Geographic Code:1USA
Date:Jan 12, 2009
Words:134
Previous Article:The periodic table.
Next Article:Hands-on science: (no lab required).
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