1:00
en
CR
Atoms
10
Atom:Building block of every material
Molecule:when atoms stick together in clusters
Crystal lattice:grid-like structure of atoms
Element:a substance made up of just one type of atom eg. H2 O2
Compound:a substance made up of molecules with different types of atoms. Eg. H2O CO2
Protons:(+ve)
Neutrons:(neutral)
Electrons:(-ve -1 electric charge) same number as protons
Atomic number:number of protons
Mass number:number of protons and electrons
Isotope:an atom that has the same number of protons but different numbers of neutrons.
Atoms
Across:1. | number of protons | 3. | number of protons and electrons | 5. | when atoms stick together in clusters | 6. | (+ve) | 8. | an atom that has the same number of protons but different numbers of neutrons. | 9. | (-ve -1 electric charge) same number as protons |
| | Down:1. | Building block of every material | 2. | a substance made up of just one type of atom eg. H2 O2 | 4. | (neutral) | 7. | a substance made up of molecules with different types of atoms. Eg. H2O CO2 |
| |
© 2016
PuzzleFast.com, Noncommercial Use Only
Atoms
Across:1. | number of protons | 3. | number of protons and electrons | 5. | when atoms stick together in clusters | 6. | (+ve) | 8. | an atom that has the same number of protons but different numbers of neutrons. | 9. | (-ve -1 electric charge) same number as protons |
| | Down:1. | Building block of every material | 2. | a substance made up of just one type of atom eg. H2 O2 | 4. | (neutral) | 7. | a substance made up of molecules with different types of atoms. Eg. H2O CO2 |
| |
© 2016
PuzzleFast.com, Noncommercial Use Only