The Atom

Question 1

Atoms structure

Answer 1

made from protons - heavy and positively charged.
neutrons- heavy and neutral
electrons- hardly any mass and negatively charged .

Question 2

the nucleus

Answer 2

middle of atom
contains protons and neutrons
it has a positve charge because of the protons
almost all the mass of an atom is in the nucleus
compared to the overall size of an atom the nucleus is small

Question 3

the electrons

Answer 3

Electrons move around the nucleus in electron shells
they are negatively charged
they are tiny
nearly have no mass

Question 4

molecules

Answer 4

are two or more atoms molecules can be made of the same or different elements. simple molecules like atoms are pretty tiny