Question

is an atom of element x
is an atom of element y
is an atom of element z
using this information, how many x, y, and z atoms are in the
model of the molecule shown?
a x: 2, y: 4, z: 6
b x: 4, y: 6, z: 2
c x: 4, y: 2, z: 6
d x: 2, y: 2, z: 4

Explanation:

Step1: Count blue atoms (element X)

Count the number of blue circles in the molecule model. There are 4 blue atoms.

Step2: Count red atoms (element Y)

Count the number of red circles in the molecule model. There are 2 red atoms.

Step3: Count green atoms (element Z)

Count the number of green circles in the molecule model. There are 6 green atoms.

Answer:

C. X: 4, Y: 2, Z: 6