Questions
of the week
1. What
does the subscript 2 in CO2
mean?
2. What
substances consists of only one type of atoms?
3. What
type of substance consists of two or more elements that are chemically bonded?
4. Who was a hum dinger of a scientist who helped
come up with an electron cloud model of the atom?
Scientist of
the Week
1. I
was born on August 12, 1887.
2. I
was a Nobel Prize-winning Austrian physicist who developed a number of
fundamental results in the field of quantum theory.
3. I
am also known for my "Cat in a box" thought-experiment that is named
after me.
4. My
equation provides a way to calculate the wave function of a system and how it
changes dynamically in time.
Daily questions
1.
What are the
two key aspects that define matter?
2.
What is
the combination of symbols and numbers that represents a compound called?
3.
Is sugar
a substance and what is its chemical symbol?
4.
Is chicken
soup a compound or a mixture?