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WorksheetsAtoms, Molecules, and Elements...Oh My!
Total questions: 16
Worksheet time: 14mins
The smallest part of an element is called a(n) _________________.
proton
neutron
atom
electron
The center of an atom is called the _________.
electron cloud
atomic center
neutron cloud
nucleus
What two subatomic particles are located in the nucleus?
neutrons and electrons
protons and neutrons
protons and electrons
The negatively charged particles that orbit around the outer part of an atom are called ___________.
electrons
protons
neutrons
Neutrons have what type of charge?
positive
negative
neutral (no charge)
The area outside of the nucleus is called the __________________ and it has a _____________ charge.
proton field, negative charge
electron cloud, negative charge
electron cloud, positive charge
proton field, positive charge
How many protons are in an atom of iron?
55.845
26
How many protons are in an atom of lead?
82
207.2
Select all the examples of elements.
Oxygen- O
Salt- NaCl
Hydrogen- H
Water- H2O
Gold- Au
What is formed when two or more elements (either the same or different) bond together?
molecule
compound
What is formed when two or more different elements bond together?
molecule
compound
The smallest part of a compound that has all the same properties of that compound is a ___________.
mixture
element
molecule
atom
These are examples of _____________.
molecules
compounds
both molecules and compounds
These are examples of _________________.
molecules
compounds
both molecules and compounds
Which of the following pictures show compounds? Select all answers that show compounds.
What do we call this arrangement of chemical elements?
The proton chart of atoms
The periodic table of elements
The periodic table of molecules
