Which of the following pairs will form a covalent bond? Atoms involved
Yes, will form a covalent bond
No, will not form a covalent bond
Na and O

N and O

Pb and Cl

Zn and F

C and O

O and O

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize