The study of compounds that contain carbon is called
a. biochemistry.
b. inorganic chemistry.
c. polymer chemistry.
d. organic chemistry.
e. physics.
[Ques. 2] The angular momentum of a body is constant if the
a. net torque is zero.
b. net force is constant.
c. net torque is constant.
d. net force is zero.
[Ques. 3] Which of the following atoms normally has one covalent bond to it?
a. Cl
b. Te
c. Si
d. N
e. Ne
[Ques. 4] The total linear momentum of an isolated system of masses remains the same if there are no external ______________ acting on the system.
a. forces
b. torques
c. unbalanced forces
d. unbalanced torques
[Ques. 5] Which of the following atoms normally has one covalent bond to it?
a. At
b. Se
c. Si
d. P
e. Ne
[Ques. 6] What must be exerted on an object to change the angular momentum?
a. Linear momentum
b. Torque
c. A force parallel to the motion
d. Inertia
[Ques. 7] Which of the following atoms normally has one covalent bond to it?
a. I
b. O
c. C
d. P
e. Kr
[Ques. 8] In an equation, the symbol m generally stands for
a. inertia.
b. torque.
c. momentum.
d. mass.
e. meters.
[Ques. 9] Which of the following atoms normally has one covalent bond to it?
a. Br
b. O
c. C
d. P
e. Ne
[Ques. 10] The angular momentum of a 100.0 kg object moving around a 75.0 m circle at a constant speed of 3.90 m/s is
a. 0.0 N
b. 29250 N
c. 761 N
d. 390 N
Quick Reply
