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Science Revision
7
goop: a quantite
exothermic reaction: reactions that release energy
endothermic reaction: the input of energy
precipitate: two solutions are mixed, a solid substance may form
relative molecular mass: a compound calculated by taking the sum of the atomic number and the bottom number of elements of the periodic table and adding together
nucleus: the central part of the atom
ionic: related to or containing matter in the form of charged atoms or groups of atom
compound: when a substance formed by the chemical combination of elements in fixed proportions
Science Revision
Across:1. | reactions that release energy | 5. | related to or containing matter in the form of charged atoms or groups of atom |
| 6. | two solutions are mixed, a solid substance may form | 7. | the central part of the atom |
| | Down:2. | a compound calculated by taking the sum of the atomic number and the bottom number of elements of the periodic table and adding together | 3. | the input of energy |
| 4. | when a substance formed by the chemical combination of elements in fixed proportions |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
Science Revision
Across:1. | reactions that release energy | 5. | related to or containing matter in the form of charged atoms or groups of atom |
| 6. | two solutions are mixed, a solid substance may form | 7. | the central part of the atom |
| | Down:2. | a compound calculated by taking the sum of the atomic number and the bottom number of elements of the periodic table and adding together | 3. | the input of energy |
| 4. | when a substance formed by the chemical combination of elements in fixed proportions |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only