Structure And Bonding Of Atoms Y10
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Which number is the atomic number
Smaller one
What are electrons arranged in
Shells
How many electrons can shells hold
2,8,8 then 8 always
What does the group number tell us
How many electrons in the outer shell
What does the period number tell us
The number of shells of electrons
When elements react what do they lose of gain?
Electrons
Why do elements lose or gain electrons(ionic binding)
To have full outer shells
What are ions
Charged particles formed when atoms lose or gain electrons
What are positive ions called and do they lose or gain electrons
Cations, lose electrons
What are negative ions called and do they lose or gain electrons
Anions, gain electrons
What charge do group 1 ions have
+
What charge do group 2 ions have
2+
What charge do group 3 ions have
3+
What charge do group 5 ions have
3-
What charge do group 6 ions have
2-
What charge do group 7 ions have
-
Symbol for hydrogen
H +
Symbol for silver
Ag +
Symbol for ammonium
NH4 +
Symbol for iron ii
Fe 2+
Symbol for copper ii
Cu 2+
Symbol for lead
Pb 2+
Symbol for zinc
Zn 2+
Symbol for iron iii
Fe 3+