What categories did Lavoisier use when he classified the elements

The standard unit of radiation related to biologic hazard is the: curie roentgen neutrino bequerel

Bromine (Br) belongs to the halogen family. Based on the location of the halogens, how many valence electrons does bromine have?

Explain what is happening in an ionic bond in terms of valence electrons?

A solid block of exactly 100.0 cm3 has a mass of 153.6 g. determine its density. will the block sink or float on water?

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Why does claudius plan to poison the drink?

Which statement best describes the movement of atoms in a solid? They are able to slide past each other. They spread apart as far as possible. They have no freedom to move. They are free to move in all directions.

What is the name of group 5a

Covalent bonds are formed in order to:

Use you're words to define matter