I BIOL 251 Exam 1 – Full Exam Review with
Verified Answers for High-Pass
Performance
Which of the following would you classify as a molecule?
Cu
Fe
N
S2F answ✔️💜💜✔--S2F
Which of these subatomic particles is found outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons answ✔️💜💜✔--electrons
Which of the following would you classify as a cation?
OH-
K+
S2-
, FeO answ✔️💜💜✔--K+
If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the pieces are?
answ✔️💜💜✔--Yes, an atom of iron would be iron no matter how small the pieces became.
A molecule with 14 total electrons and 12 total protons has a charge of? answ✔️💜💜✔---2
An atom with 55 protons and 54 electrons has a charge of? answ✔️💜💜✔--+1
An atom with 12 protons and 10 electrons has a charge of? answ✔️💜💜✔--+2
A molecule with 76 electrons and 73 protons has a charge of? answ✔️💜💜✔---3
Which of the following would be a molecule?
Li
CuO
Mg
C answ✔️💜💜✔--CuO
An atom has a mass number of 48 and 22 neutrons. How many protons would this atom have?
answ✔️💜💜✔--26
Select all the terms we could use to describe an Al atom with a charge of +3. Select all that apply.
Anion
Ion
Molecule
Cation answ✔️💜💜✔--ion, cation