The periodic table

what is the periodic table

a table showing all the elements

Who created the periodic table

Dmitri Mendeleev

What are the vertical columns on the periodic table called?

groups

What are the horizontal rows on the periodic table called?

periods

What is the name of group 1 on the periodic table

the alkali metals

What is the name of group 2 on the periodic table

the alkaline earth metals

What is the name of group 7 on the periodic table

the Halogens

What is the name of group 8 on the periodic table

the noble gases

How many electrons do the alkali metals have in their outer shells

one

what gas is released when alkali metals come in contact with water

hydrogen

what happened when alkali metals come in contact with air

it forms a metal oxide

how many electrons to halogens have in their outer shell

seven

How many electrons does the noble gases have in their outer shells

eight

how many electrons do alkaline earth metals have on their outer shells

two

Name 2 alkali metals

lithium and potassium

Name 2 alkaline earth metals

Magnesium and calcium

Name 2 halogens

fluorine and chlorine

Name 2 noble gases

helium and neon

What are ions

charged particles

What is ionic bonding?

when atoms transfer electrons

What is covalent bonding

Forms a non-metal compound where atoms share electrons.

What is a chemical formula?

a combination of symbols that shows the ratio of elements in a compound

What happens when a metal and non-metal combine?

The compound is named with the metal first, followed by the non-metal ending in -ide.