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WorksheetsReview Test 1
Total questions: 25
Worksheet time: 12mins
What are the parts of an atom
Proton
Neutron
Neuron
Electron
True or False. Electrons have a positive charge
True
False
Where is the nucleus of an atom located?
The center of an atom
The 3rd energy level
The electron cloud
The edge
Where are the valence electrons located in the element Sulfur
The fourth energy level
The nucleus
The second energy level
The third energy level
What is the definition of an atom?
Mass x Volume
The smallest unit of an element that maintain all of the properties of that element.
Number of atoms in a molecule's chemical formula
Pure substance made of 2 or more elements that are chemically combined in a specific ratio.
What classification would the element in yellow fall in to?
Metals
Liquids
Non-metals
Metalloids
What is the charge of a neutron
Positive
Neutral (no charge)
Negative
Where are electrons located in an atom?
Nucleus
With the neutrons
The electron cloud
The middle of the atom
What determines the atomic number of an element?
Number of neutrons
Number of subatomic particles
Number of protons
Number of electrons
What is the charge of a proton?
Negative
Neutral
Positive
Where are the noble gases located on the periodic table?
Group 18
Period 4
Period 6
Group 17
How do you find the number of neutrons in an atom?
Add protons and electrons
Round atomic mass then subtract atomic number.
Round atomic number then subtract atomic mass.
Divide protons by electrons
What do elements in the same period have in common.
Same number of electrons
Same number of Protons
Same state of Matter
Same amount of energy levels.
Select all of the following that are physical properties of metals.
Malleability
Ductility
Conductivity
Ability to rust
Select all of the elements found in group 2 of the periodic table.
Lithium
Radium
Calcium
Sulfur
What do elements in the same group have in common?
Same number of Energy Levels
Same Chemical Reactivity
Same amount of Valence Electrons
Same Atomic Mass
Select the physical properties of non-metals.
Brittle
Low boiling point
Gains electrons in a chemical reaction
Good Insulator
Elements that are stable as a single atom are called:
Molecules
Atoms
Monoatomic
Diatomic
Which chemical formula best represents a compound with 5 atoms of Carbon, 11 atoms of Hydrogen, 1 atoms of Nitrogen, and 2 atoms of Oxygen.
C5H10NO2
C5H11O
C5H11NO2
C4H11NO2
Select all of the physical properties of the group colored pink.
Usually conduct heat and electricity
Brittle
Good semiconductors
Often malleable
What is the name of the element in period 3, group 15?
Sulfur
Phosphorus
Nitrogen
Chlorine
How many neutrons are in the element Boron?
11
5
10
6
Select all of the following that are classified as subatomic particles.
Protons
Neutrons
Electron Cloud
Electrons
Select the molecule that is diatomic.
NaCl
N2
Ar
CO2
The copper wiring in a house is an example of what physical properties of metals?
Boiling Point
Electrical Conductivity
Melting Point
Ductility
