Periodic table and bonding

How many valence electrons does an atom of phosphorus have if it is in group 15?

How many valence electrons does an atom of Barium have?

What would the name be for NaF

What element is represented by the letter K?

Who decides your grade on the test?

What happens to electrons in an ionic bond?

What type of elements make up most of the periodic table?

What group on the periodic table is most reactive?

Atoms with the same number of protons and different numbers of neutrons are called

What types of atoms are present in an ionic bond?

If the mass number for Oxygen is 18, how many neutrons will it have?

What particle in the atom has a negative charge?

What types of elements combine in covalent bonds?

To get mass number you add

A horizontal row on the periodic table is a

A substance that cannot be broken down into simpler substances is a

The number of protons in an atom is always equal to the

What would you call Se₂Br₃?

A charged atom or group of atoms is called a/ an..

What particle in the atom has positive charge?

What element is represented by the symbol Ag?

What happens to electrons in a covalent bond?

How many electrons would there be in a neutral atom of Chlorine?

What particle in the atom has no charge?

What group on the periodic table doesn't react with other elements?