What are atoms made up of?
Protons, neutrons and electrons.
What's the name of the 1st group in the periodic table?
Alkali metals.
What's the chemical reaction where a substance is combined with oxygen?
Burning.
Name two common types of metal.
Copper, gold, steel, iron.
What does the word atom mean?
It can't be split.
What is the name of group 17 in the periodic table?
Halogens.
What is another term for burning?
Combustion.
What is the meaning of malleable?
It can be hammered into different shapes.
Which particles have negative electrical charge?
Electrons.
What group do helium, neon and argon belong to?
Noble gasses.
What kind of reaction has heat energy giving out?
Exothermic.
Give three properties of metals.
(Free answer.)
Where are electrons located?
Outer shell.
What is the trend of group 17 as you go down?
They react less vigurously.
What do you need to break a bond?
Energy.
What is the mass number?
Protons and neutrons.
What is the trend in group 1 as you go down?
The melting and boiling points decrease.
In endothermic processes the temperature.....
Decreases.
Metals can react with which three things?
Oxygen, water or steam, diluted acid.