Periods on the periodic table represent

all that

- with the same number of valence electrons
- with increasing number of valence electrons
- with the same number of electron orbits
- with increasing atomic size

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments

How many grams are in 1.75 mile of carbon