HELP When a scientist thinks of a reason for why he or she observed something, this reason is called .
A.
an inference
B.
an experiment
C.
a test
D.
a problem

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

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.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false