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WorksheetsChemistry Holiday Homework Review 2024
Total questions: 10
Worksheet time: 5mins
Atoms are made up of
Positive protons and negative neutrons in the nucleus and neutral electrons in the orbitals
Positive protons and neutral neutrons in the nucleus and negative electrons in orbitals
Positive protons and negative electrons in the nucleus and neutral neutrons in orbitals
Negative protons and neutral neutrons in the nucleus and positive electrons in orbitals
What does Z represent
Atomic number
Mass number
Element symbol
Number of neutrons
Choose two isotopes
Carbon - 14
Nitrogen - 14
Carbon - 12
Oxygen - 13
An ion is an atom that has
Lost or gained one or more protons
Lost or gained one or more neutrons
Lost or gained one or more electrons
Lost or gained one or more nuclei
When an atom is heated, the electrons absorb energy and jump to a higher energy level. This is known as the
ground state
relaxed stated
mellow state
excited state
Choose the correct electronic configuration of an oxygen atom
2,6
2,8
2,8,6
2,5
Using the Schrodinger model, choose the correct electronic configuration for Bromine
On the periodic table, the group number tells you
The number of neutrons
The number of protons
The number of electron shells
The number of valence electrons
On the periodic table, the period number tells you
The number of electron shells
the number of valence electrons
The number of protons
The number of neutron
The d Block elements are called
Alkali metals
Transition metals
Alkaline earth metals
Halogens
