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Energy levels
The atom
Balancing act
Covalent vs. Ionic
Chemistry anyone
100
Contained around the nucleus
What is electrons
100
What is a positive charge called in an atom?
What is Proton
100
What is a diatomic molecule?
What an atom of the same kind ex H2
100
Share electrons when bonded
What is covalent bonding
100
What is first element in the periodic table?
What is Hydrogen
200
Ina bohr model what is the amount of electrons in the 2nd shell?
What is 8 electrons.
200
It is found in the center and it neutral
What is a neutron.
200
How many Al are there in Al2?
What is 2 Al.
200
Snatches one electrons (gaining) while the other loses and electrons while bonding
What is ionic bonding
200
Which element is found on Group 2 and Period 6.
What is barium .
300
What is the total number of valence electrons for Calcium?
What is 2 electrons.
300
What is the atomic number?
What is the number of protons in an atom
300
Na. +Br2------> _____NaBr
What is 2 infront of Na and NaBr
300
Mg+S ------> MgS name the number electrons lost and gained and which is a + ion and - ion.
What is Mg loses 2 electrons And S gains 2 electrons. Mg positive 2 and S is negative 2
300
On the periodic table all elements with Group 14 have the same number of
What is valence electrons.
400
Tell me the electrons in each shell for Na.
What is 2,8,1
400
The number of protons -
What is electrons
400
HgO + Cl2------> HgCl +O2
What is 2 in front of HgO and HgCl
400
Draw the Lewis dot diagram and state how many electrons will be gained or lost for F.
What is 7 electrons is the last shell and gains 1 electrons
400
As the temperature increases in a chemical reaction the rate of the reaction will
What is increase
500
How many electrons can fit in the 7th shell?
What is 2.
500
Who discovered the atom?
What is Democritus
500
______C4H6O3 + ____H2O -------->____C2H4O2 The numbers after the letters are subscript
What is 2 in front of C2H4O2
500
N2 how many bonds does it create? Draw a Lewis dot diagram.
What is a triple bond.
500
Pure water has a pH of
What is 7