11) You have given two compounds. Both are white solids. You have also provided with the information that one compound is ionic and other is
covalent. How you are going to experiment it. You can ask your teacher for
equipment/apparatus/ water: What will you ask for and how do you conduct
the experiment to prove that which compound is lonic and which one is
covalent

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.