Which domain consists of single-celled organisms, some of which can cause illnesses treated with antibiotics?

a. Archaea

b. Bacteria

c. Eukarya

What is one element in the same family as oxygen?

If the hydrogen ion concentration of a solution is 10-10m the solution is

What is the best explanation of why it was important that Becquerel used a uranium salt in his experiments? Uranium salts are solid at room temperature. Uranium atoms are found in photographic plates. Uranium atoms are radioisotopes.

A match has about 21 milligrams of red phosphorus coating the tip. How many atoms of phosphorus is this?

A reaction showing heat as a product is an exothermic reaction. TRUE FALSE

What concentration of the lead ion, pb2+, must be exceeded to precipitate pbf2 from a solution that is 1.00*10-2 m in the fluoride ion, f-? ksp for lead (ii) fluoride is 3.3*10-8?

Calculate the temperatureoC that 0.2 moles of gas in a balloon at 2.0 atmoccupies 2.0 L.

How does the molecular count support the idea of a nucleotide as a subunit

Explain how will you know the mass of the water in your experiment?

Convert 5 moles H2O to liters