Give any two reasons that hydrogen is kept in group 1 in Modern Periodic Table

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted