WorksheetsAtoms and Matter Review
Total questions: 20
Worksheet time: 14mins
What are atoms composed of?
a nucleus and electron orbitals
only protons and neutrons
a jelly substance
salts and sugars
How many protons does Carbon have?
3
4
5
6
What binds protons and neutrons together in the nucleus?
strong potential energy
a strong nuclear force
electromagnetism
strong kinetic energy
Electrons are found in energy levels outside of the nucleus. What is another name for energy levels.
rings
electrolevels
orbitals
circular objects
Electrons have_______________mass.
no
equal
a lot
very little
What are valence electrons?
extra electrons that do not fit in the nucleus
electrons found in the outside energy level
all electrons found in the atom
electrons that did not become protons
How many valence electrons are in Silicon?
5
4
14
8
How many valence electrons are in Antimony?
5
4
14
8
How many valence electrons are in Neon?
5
4
14
8
