Which element reacts spontaneously with 1.0 M HCl (aq) at room temperature?

(1) copper

(2) gold

(3) silver

(4) zinc

Which pair of ions can form an ionic bond with each other and why? A) Cu + and Ag+; They are both metal ions. B) S2 - and O2-; They have like charges. C) Br - and At-; They are both halogen ions. D) Li + and Br-; They have unlike charges.

Why is the law of definite proportions important?

At room temp attire a mixture of sand and water can be separated by

Which of the following is an example of pseudoscience? psychic experiences benefits of aspirin bacteria as a cause of disease existence of viruses

Boyle's law states that the a. volume of a gas varies inversely with pressure. b. volume of a gas varies directly with pressure. c. temperature of a gas varies inversely with pressure. d. temperature of a gas varies directly with pressure.

Explain the difference between two types of elements with respect to the atoms

The ro - group is the nucleophile. think about which group in the alkyl halide (iodoethane) is the leaving group. keep in mind that the leaving group may be one atom or a group of atoms.

An organic compound is classified as aromatic if it cyclic and has a fragrant odor true or false

Which subatomic particles differ in number for two isotopes of the same element, and which subatomic particles will stay consistent between two isotopes of the same element? Explain how you know.

What is the oxidation state of an individual phosphorus atom in PO33-?