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B11 elements atoms
Question | Answer |
---|---|
Atoms of the same element have the same | Protons |
What state of matter is Oxygen? | Gas |
Positively charged particle in an atom is | proton |
Salad is an example of what kind of mixture | heterogeneous |
Atoms can join together to form | compounds |
In the periodic table, elements are arranged in order of | increasing atomic number |
Oxygen is an example of an | element |
How can you separate sand and water | filtering |
Hydrogen and oxygen are examples of | elements |
What is a short hand way of writing names of the elements | Chemical symbol |
All elements are made up of | Matter |
Atoms are made of | protons, electrons, neutrons |
What is found in the energy level of an atom | electrons |
In a mixture, substance | keep their own properties |
The smallest part of an element that can be identified as the element is | an atom |
Water is an example of a | Compound |
Which particle is NOT in the nucleus | electron |
If an atom has 13 protons it also has | 13 electons |
compounds are a result of this kind of change | chemical |
the atomic number is the number of what in the nucleus | protons |
Every element has its own what which identifies that element | Atomic number |
This is made up of 2 or more elements | compound |
Most gases exist as what type of Molecules | diatomic |