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Question: how many protons does a lithium atom contain if the...

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How many protons does a lithium atom contain? If the Lithium atom is neutral, how many electrons does it contain? Each atom of this element has 9 protons and 10 neutrons. The atomic number of the element is number is The mass The number of valence electrons is This element is a metal/ non-metal (circle one). This element is and its symbol is This element has the largest radius in Period 3. It is and its symbol is .Its atomic number is
)Each atom of this element has 56 protons and 81 neutrons. The atomic number is and the mass number is The number of valence electrons is because it is found in Group The element is and its symbol is This element has the maximum number of valence electrons in Period 4. It is An isotope with a mass number of 84 has an atomic number o and its symbol is and neutrons. its family name is This metal has 20 protons and only 2 valence electrons. It is found in Group . The element is its symbol isand its atomic number is This element has the largest atoms of Period 4. Its atomic number is An atom of this element hasv This element is and it contains protons. _valence electrons. and its symbol is
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