Question 7
Which of the following is/are a nanomaterial? i. A spherical silver nanoparticle with diameter 10 nm ii. A gold nanorod with length 500 nm and diameter 10 nm iii. A rectangular microcrystal with dimensions 200 nm x 500 nm x 70 nm iv. A 1 μm x 1 μm graphite flake composed of millions of graphene with total thickness 120 nm v. A carbon-based wire with length 1 mm and cross-sectional diameter of 500 nm
A. i only
B. i, ii, and iii
C. i, ii, iii, and iv
D. i, ii, iii, and v
E. i, ii, iii, iv, v
Editorial review: explain the scientific issue and state any assumptions needed for a supported answer.
A. i only
B. i, ii, and iii
C. i, ii, iii, and iv
D. i, ii, iii, and v
E. i, ii, iii, iv, v
Editorial review: explain the scientific issue and state any assumptions needed for a supported answer.