C1
Cards (187)
- What are all substances made of?
- Why can't we see atoms with a microscope?
- How many atoms are in a 50p piece?
- What is the radius of an atom?
- What is located in the middle of an atom?
- What does the nucleus contain?
- What is the radius of the nucleus?
- Why does the nucleus have a positive charge?
- Where is most of the mass of an atom concentrated?
- What is the charge of protons?
- What is the charge of neutrons?
- What is the charge of electrons?
- How do electrons move in an atom?
- What determines the size of an atom?
- What is the relative mass of electrons?
- Why are atoms neutral?
- What happens in an ion?
- What does the atomic number represent?
- What does the mass number represent?
- How do you find the number of neutrons?
- What is an element?
- What decides the type of atom?
- How many different elements are there approximately?
- What do all atoms of a particular element have in common?
- What is the shorthand for representing atoms?
- Where do many old element symbols come from?
- What are isotopes?
- What do isotopes have in common?
- How do you calculate the number of neutrons in an isotope?
- What is relative atomic mass?
- How is relative atomic mass calculated?
- What is the relative atomic mass of copper with given abundances?
- What is a compound?
- How are compounds formed?
- What holds the atoms in a compound together?
- What type of bonding occurs between metals and non-metals?
- What is needed to separate a compound into its elements?
- What happens to metal atoms in ionic bonding?
- What happens to non-metal atoms in ionic bonding?
- What is covalent bonding?