Questions of the Week
1. What
happens to the reactivity level of a group of elements as you go downward on
the group?
2. What
happens to the density of metals as you move from left to right and from top to
bottom?
3. Why
is carbon so handy in building life?
(Think here.)
4. What
are 4 clues that a chemical reaction has happened?
Scientist of the Week
1. I
was born on July 25, 1922.
2. I
am an American professor and prominent solid-state physicist.
3. I
am currently a professor of mechanical engineering and materials science at The
University of Texas at Austin.
4. I
am widely credited for the identification and development of the Li-ion
rechargeable battery.
5. I
am also credited for the development of the rules for determining the sign of
the magnetic superexchange in materials.
Daily Questions
1. What
part of the atom is responsible for chemical reactions?
2. In
chemistry what is the process or reaction that releases energy from a system to
its wg surroundings?
3. What
is produced when two chemicals react and cause a substance to be deposited in a
solid form from a solution?
4. How
does a graph of temperature let you know that a chemical reaction has reached
its peak?
5. What
does the omega (Ω) symbol mean on a multi-meter?