Chemistry Courses Online

1. Name that element!

2, Which of the following elements is found in the same group as zinc (group 12)?

A Hafnium (Hf)

B Tin (Sn)

C Iodine (I)

D Cadmium (Cd)

3. Which of the following elements is a transition metal?

A Calcium (Ca)

B Astatine (At)

C Hassium (Hs)

D Radon (Rn)

4. An amalgam is

A a combination of the mystery element and a metal.

B the negative end of a battery.

C a mineral.

D all of the above.

5. Which of the following is found in nature as a liquid?

A Bromine (Br)

B Hydrogen (H)

C Technetium (Tc)

D Silver (Ag)

6. The element polonium (Po) has four more protons than –.

A Chromium (Cr)

B Mercury (Hg)

C Dubnium (Db)

D Seaborgium (Sg)

CHARGED:

A cloud of 80 electrons surrounds the nucleus of the mystery element. Its nucleus (gray) contains 80 protons and 80 neutrons.
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