WorksheetsEOG Chemistry Review
Total questions: 15
Worksheet time: 8mins
Two scientist added two unknown substances together. A bright light was produced and a precipitate began to form. Which type of change occurred.
Physical change
Chemical change
Equation Change
Property Change
An element with 6 electrons would have how many protons?
6 protons
12 protons
3 protons
5 protons
If an atom has an atomic mass of 10 and an atomic number of 4, how many neutrons would it have?
10 neutrons
4 Neutrons
6 Neutrons
0 Neutrons
Which is a non-renewable resource?
Hydropower
Geothermal Energy
Burning wood
Burning coal
What would have the greatest long-term impact on reducing the amount of carbon dioxide in the air?
A planting trees around a farm
B cutting down trees around a farm
C increasing the number of livestock on a farm
D decreasing the number of livestock on a farm
Which of the following is an element?
Rust
Water
Iron
Soil
Which statement is true about a chemical reaction?
The physical states of the atoms in the reactants determine the products.
Some of the atoms in the reactants will be a part of the products.
The number of atoms in the reactants determines the products
All of the atoms in the reactants will be a part of the products
Which of the following is a mixture?
Water
Carbon
Salt
Air
Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
burning coal
using ethanol in cars
installing solar panels on a home
generating electricity in a hydroelectric power plant
Which is the best example of a chemical change?
Butter melting
Egg Cooking
Paper Tearing
Water evaporating
Which two elements are most alike?
Oxygen and Hydrogen
Silicon and Germanium
Lithium and Beryllium
Mercury and Aluminun
According to the Law of Conservation, matter
Can be created and destroyed
Is made up of atoms
Cannot be created or destroyed
Makes up everything in the universe
The atomic mass is the number of
Valence electrons
Protons and Electrons
Protons
Protons and Neutrons
The most reactive Non Metal group is the
Halogens
Alkali
Rare Earth Metals
Yo Mama
A student does an experiment, a bright light shows and bubbles are formed, what type of change is this?
Physical
Chemical
Magical
No change at all
