Atoms
Atoms are made up of three subatomic particles. What are they?
Protons, Neutrons, Electrons
What does the period number tell us about an element?
The number of electron shells
What is the electron configuration for Lithium?
2, 1
What is the composition of an ionic compound?
Metal element with a non-metal element.
What is the symbol for the element, Carbon?
C
Which of the subatomic particles has the lightest weight?
Electrons
What does the atomic number tell us?
The number of protons in the atom of the element.
What is the electron configuration for Oxygen?
2, 6
What is the name of this ionic compound, NaCl?
Sodium Chloride
How are the elements in the periodic table ordered?
According to atomic number.
What structure is located at the centre of the atom?
Nucleus
What does the mass number tell us?
The number of protons and neutrons in the atom of an element.
What is the electron configuration for Magnesium?
2, 8, 2
True or False?
Solid ionic compounds do not conduct electricity, but dissolved ionic compounds do.
True
Finish this equation:
Ca 2+ + Cl 1- yields
CaCl2
What do atoms mostly consist of?
Empty space
What does the group number tell us for the elements in groups 1, 2, 13 - 18?
The number of valence electrons
What is the electron configuration for Potassium?
2, 8, 8, 1
What is the formula for Sodium oxide?
Na2O
Balance this equation:
N2 + H2 yields NH3
N2 + 3H2 yields 2NH3
What part of the atom contains energy levels?
Electron shells
How are the number of electrons calculated in an atom?
Electrons are equal to the number of protons or the Atomic number.
What is the electron configuration for Copper?
2, 8, 18, 1
What is the name of this ionic compound, Fe2O3
Iron (III) oxide
Balance this equation:
Al + HCl yields AlCl3 + H2
2Al + 6HCl yields 2AlCl3 + 3H2