Element z reacts with bromine to form an ionic compound zbr2
a) state with reasons i) the physical properties of zbr2 at room temperature ii) whether z is a metal or non metal.
b)what is the formula of the oxide formed when z reacts with oxygen?

Two things that biomedical has invented or innvated

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes