WorksheetsAtoms Review
Total questions: 10
Worksheet time: 6mins
The currently-accepted model of the atom is called the ________________.
Plum Pudding Model
Electron Cloud Model
Planetary Model
Nucleocentric Model
The atomic mass is determined by:
Protons
Neutrons
Electrons
Protons & Neutrons
Neutrons & Electrons
How many protons does Bromine have?
(a)
Which element has two energy levels and five valence electrons?
Nitrogen
Phosphorus
Strontium
Carbon
Antimony
Atoms of the same element that have a different number of neutrons are called _______________.
Ions
Isotopes
Molecules
Neutral atoms
Atoms are placed on the periodic table in order of increasing ______________.
Atomic number
Mass number
Diameter
Weight
Atoms that have a different number of electrons than protons are called _______.
Oxides
Ions
Acids
Isotopes
What do the dots around the chemical symbol shown in the picture represent?
Valence electrons
Protons
Total electrons
Electrons closest to the nucleus
What are vertical columns on the Periodic Table called?
Periods
Groups
Rows
Axis
What are horizontal rows on the Periodic Table called?
Periods
Groups
Columns
Flags
