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WorksheetsAtoms: 7.P.2A.1
Total questions: 12
Worksheet time: 7mins
What is an atom?
The smallest particle of an element
The negatively charged particle found in a cloud
The densely packed center of an element
An energy level with positive and negative charges
What is a nucleus?
The smallest particle of an element
The negatively charged particle found in a cloud
The densely packed center of an a
An energy level with positive and negative charges
What do the green particles in the atomic model represent?
Electrons
Nucleus
Neutrons
Protons
What does the group of green and red particles represent together?
Nucleus
Orbital
Atom
Electron Clous
Which of the following types of subatomic particles found in an atom has NO charge (neutral)?
Electron
Nucleus
Proton
Neutron
Scientific theories often make use of ________________, which are representations of an idea to help scientists understand what they cannot observe directly.
Laboratories
Models
Atoms
Safety Posters
Which parts of an atom travel around the nucleus?
Atomic mass units
Protons
Electrons
Neutrons
Protons have about the same mass as _______________.
Electrons
Atoms
Nuclei
Neutrons
The nucleus of an atom is very ____________, meaning the particles are tightly packed together.
Large
Dense
Small
Heavy
What charge should be placed in the table for an electron?
-1
0
+1
+2
How many protons does this element's atom have?
11
10.811
5
6
What is this organized tabled filled with elements called?
Elementary Table
Bar Graph
Periodic Table of Elements
Periodic Table of Protons
