WorksheetsAtomic Theory, Molecules, and Radioactivity
Total questions: 12
Worksheet time: 11mins
What do the columns represent?
Group
Period
Family
Both Group and Family
None of the above
Which bond is stronger?
Covalent Bonds
Ionic Bonds
Which is safer for the environment?
Nuclear Fission
Nuclear Fusion
None of the above
What is the correct atomic mass and atomic number?
Atomic Mass: 10.811, Atomic Number: 5
Atomic Mass: 5, Atomic Number: 10.811
Atomic Mass: 15.811 Atomic Number: 5
None of the above
The last group of the Periodic Table includes the _________________ _______________. (two words)
(a)
What are the subatomic particles?
(select 3)
Protons
Electrons
Neutrons
Proteins
What kind of model is this?
Bohr Model
Subatomic Model
Atom Model
Is the chemical equation balanced or unbalanced?
Balanced
Unbalanced
Is the chemical equation balanced or unbalanced?
Balanced
Unbalanced
________ are bonded together to form ___________.
Molecules; atoms
Atoms; molecules
Atoms; compounds
None of the above
Carbon 14 is an unstable isotope of carbon with a half life of 5,730 years. After 17,190 years, how much of a carbon sample would be left?
It wouldn't change
1/2
1/3
1/4
What is a chemical compound?
any substance composed of identical molecules consisting of atoms of two or more chemical elements
a compound made of two identical atoms
Nothing
None of the above
