1. which of the following is an example of a chemical element?
a. salt
b. water
c. sugar
d. sodium

2. where can you find a common homogenous mixture? *
a-salt
b-coffee
c-orange juice
d-granola mixture (trail mix)

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

What is the temperature of one mole of helium gas at stp?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li