When an ionic compound is named or its formula is written, what sort of element is placed first? What is the charge on its ions?

How can forgery be used in crime

Compare a homogeneous mixture with a heterogeneous mixture.

What is water classified as

Classify each property as a physical property or a chemical property. can be split into hydrogen and oxygen is liquid at room temperature has a density of 1.0 g/cm3 reacts with certain metals

The chemical formula for table sugar is C 12 H 11 O 22. What can you tell from this formula? There are 12 electrons in a carbon atom. The ratio of carbon atoms to hydrogen atoms in a molecule of sugar is 2 to 1.

Describe how you could determine the specific heat of a sample of a solid substance. You may assume that the substance does not react with water.

Combustion of 7.54 g of liquid benzene (C6H6) causes a temperature rise of 50.3°C in a constant-pressure calorimeter that has a heat capacity of 6.27 kJ/°C. What is ∆H for the following reaction? C6H6 (l) + O2 (g) → 6CO2 (g) + 3H2O (l)

What is the compound name for the ion chemical formula AgBr?

Which principal energy level of an atom contains an electron with the lowest energy? A) n=1 B) n=2 C) n=3 D) n=4

Are erasers made from rubber?