The diagram bolow shows atoms that are all arranged into groups in the same way.
What does this diagram represent?
A
two different substances
B. a single type of substance
C. a single type of element
D. three different substances

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which metal exist in liquid state and can be cut with knife ?