what are the charges of the ions in magnesium oxide?

what is the formula of calcium chloride?

what are the charges of the ions in calcium chloride?

what are compounds?

what is the aim of an element when bonding chemically?

If an ion has a charge of -3 what group is it likely to be from?

what forms when atoms form chemical bonds by transferring electrons?

the alkali metals react with non metal elements to form what? what charge does the metal have?

the halogens react with alkali metals to form what? what charge do the halides have?

how are ionic compounds held together?

in what direction do the forces in a ionic compound act?

what is formed when atoms share electrons?

what is formed when atoms share electrons?

are covalent bonds strong or weak?

what are giant structures that are covalently bonded called?
name 2 examples

is HCL a simple or giant structure of covalent bonding?

what is the structure of a metal?

what is special about the structure of metals?

what is the formula for ammonia?

what is the formula for hydrogen chloride?

what is the formula for methane?

what 2 elements are there is silicon dioxide

what are the charges of the ions in sodium chloride