What kind of a course is this?
What are your information sources? text, notes, internet, other?
I'm asking these questions because I don't understand why these answers don't stand out in your resource material.
Which of the following statements is true about the nucleus?
Only the strong nuclear force holds the nucleus together.
The strong nuclear force and the residual strong force hold the nucleus together.
The presence of neutrons, the strong nuclear force, and the residual strong force hold the nucleus together.
Only neutrons hold the nucleus together.
not sure
Which of the following is a nucleon?
neutron
electron
up quark
down quark
B?
Which of the following has a +⅔ charge?
electron
down quark
up quark
hadron
B or D
A change in the number of protons or neutrons occurs in which type of reaction?
chemical reaction
electrochemical reaction
thermochemical reaction
nuclear reaction
D?
Which of the following reactions is a nuclear reaction?
2H2O2 2H2 + O2
92238U 90234Th + 24He2+
2Na + Cl2 2NaCl
CO2 + H2O H2CO3
NOt sure
1 answer
1 answer