The two most common alkaline earth metals are

a. copper and zinc.

b. iron and silver.

c. sodium and potassium.

d. calcium and magnesium.

What is a section of a chromosome that codes for a particular characteristic

What is a nucleus, chromosome, chlooplasts, cell membrane, cytoplasm? controls what goes in and out of the cell holds all the cell organelles contains all the genetic info in a cell fluid filled bubble responsible for getting rid of waste in plant

If 15 g of CzHo reacts with 60.0 g of Oz, how many moles of water (H2O) will be produced? (Hint: use what you know about limiting reactant) * 2 C2H6 + 7 O2 + 4 CO2 + 6 H2O O 1.5 mol H20 O 1.6 mol H20 O 1.0 mol H20 O 1.1 mol H20

Which element or elements are unbalanced in this equation? Fe2O3 + 3 CO → Fe + 3 CO2 Fe and O are both unbalanced. Only the O is unbalanced. C and O are both unbalanced Only the Fe is unbalanced.

9. How do changes in global temperatures affect ocean acidification? (and sea life)

Why are lab apparatus made of ceramics

The volume of oxygen required for complete combustionof a mixture of 5 cm3 of ch4 and5 cm3 c2h4

What part of the digestive system removes most of the water from food? Question 4 options: Small intestine Stomach Large intestine Esophagus Save

In which type of chemical bonding are electrons shared among all atoms in the substance?

As pressure decreases, density: A. decreases B. increases C. remains the same