Chemistry /GCSE Chemistry 11L1: Atomic Structure
Are atoms charged?
No- the protons and electrons cancel out.
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Key Terms
Term
Definition
Are atoms charged?
No- the protons and electrons cancel out.
What does an atoms nucleus contain?
Protons and neutrons.
What is an atomic mass?
The atoms protons + neutrons.
An atoms electric structure is 2,8,1. What category is it in the periodic table?
Group 1- sodium.
What is a ion?
A charged atom
What is a noble gas.
A gas with a full outer shell.
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Term | Definition |
---|---|
Are atoms charged? | No- the protons and electrons cancel out. |
What does an atoms nucleus contain? | Protons and neutrons. |
What is an atomic mass? | The atoms protons + neutrons. |
An atoms electric structure is 2,8,1. What category is it in the periodic table? | Group 1- sodium. |
What is a ion? | A charged atom |
What is a noble gas. | A gas with a full outer shell. |
Are noble gases reactive. | No as they have no need to fill their outer shells. |
When does a atom become an ion? | When electrons are added or removed, giving the atom a charge |
An atoms atomic number? | Number of protons |
Why are atoms charged? | Becuase they’ve lost or gained electrons. |
What does group 0 represent in the periodic table? | Noble hases |