Chemistry, 04.10.2021 01:00 katy1110

2 An atom of lithium has three protons and a nucleon number of 7.
How many electrons are in the lithium atom?.
a
b
How many neutrons does lithium have?
с
What is the mass number of this lithium atom?
d
Describe the lithium atom in the format that uses two numbers and the symbol for
the element

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2 An atom of lithium has three protons and a nucleon number of 7.
How many electrons are in...