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electron : found only outside and atom
shells : has a maximum of 4 number of _______ .
atomic number : the total amount of neutron and proton is called ______ .
Isotope : have the same number of proton but different number of neutron
necleus : the middle of an atom is call a _______ .
matter : atom is the basic unit of ______ .
element : _______ is a pure chemical substance
periodic table : all the elements can be found in the _____________ .
Sodium : what does 'NA' stands for ( use periodic table )
Across:| 1. | all the elements can be found in the _____________ . | | 7. | the total amount of neutron and proton is called ______ . | | 8. | the middle of an atom is call a _______ . |
| | Down:| 2. | _______ is a pure chemical substance | | 3. | have the same number of proton but different number of neutron | | 4. | what does 'NA' stands for ( use periodic table ) | | 5. | has a maximum of 4 number of _______ . | | 6. | atom is the basic unit of ______ . | | 9. | found only outside and atom |
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Across:| 1. | all the elements can be found in the _____________ . | | 7. | the total amount of neutron and proton is called ______ . | | 8. | the middle of an atom is call a _______ . |
| | Down:| 2. | _______ is a pure chemical substance | | 3. | have the same number of proton but different number of neutron | | 4. | what does 'NA' stands for ( use periodic table ) | | 5. | has a maximum of 4 number of _______ . | | 6. | atom is the basic unit of ______ . | | 9. | found only outside and atom |
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© 2014
PuzzleFast.com, Noncommercial Use Only