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WorksheetsPhysical Science Review
Total questions: 36
Worksheet time: 20mins
All matter is made of _________.
__________ are negatively charged particles that are in the orbitals around the nucleus.
protons
nucleus
neutrons
electrons
Compounds can be found on the periodic table.
True
False
a substance in which the parts are clearly different shapes and colors; different throughout
mixture
homogeneous
heterogeneous
element
A characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition
physical property
element
pure substance
chemical property
A characteristic of a substance that is measurable or observable during a chemical reaction; includes pH, heat of combustion, reactivity, etc.
physica property
chemical property
compound
mixture
A ______________ is made up of different kinds of atoms chemically combined.
element
compound
mixture
molecule
Identify the following substance.
Element
Compound
Mixture
Diatomic Molecule
Identify the following substance
Element
Compound
Mixture
Diatomic Molecule
What is the total number of atoms in this formula? H2O2
2
4
3
Which chemical formula correctly displays 1 atom of nickel and 2 atoms of Fluorine?
niF2
NIF2
Ni1F2
NiF2
What is the name of group number 1?
halogens
noble gases
alkali metals
alkaline earth metals
What is the name of group number 2?
transition metals
halogens
metaloids
alkaline earth metals
A row on the Periodic Table of Elements
family
period
row
isotope
Which element is found in group 2, period 6?
Oxygen (O)
Barium (Ba)
Selenium (Se)
Carbon (C)
Elements that have the same number of energy levels are said to be in the same ______.
group
period
family
classification
Solids have a definite shape and volume. This is because
The molecules in solids move past each other easily.
The molecules in solids stay in a definite location and vibrate.
The molecules in solids move freely in all directions.
The molecules in solids do not move at all.
Which of the following describes the motion of the particles when there is an increase in temperature?
The particles move faster and collide more often.
The particles slow down and collide more often.
The particles slow down and collide less frequently.
The particles move faster and collide less frequently.
A balloon is inflated with room-temperature air and then put in a sunny place. The balloon expands slightly due to a rise in temperature. Which of the following best describes the molecules of air inside the balloon when the balloon is left in the sunlight as compared to when it was first inflated?
The molecules stop colliding with the walls of the balloon.
There are fewer interactions between the molecules.
There are more molecules in the balloon.
The molecules are moving faster.
A sample of helium gas is in a sealed, rigid container. What occurs as the temperature of the sample is increased?
The frequency of collisions between atoms increases.
The volume of each atom decreases.
The number of moles of gas increases.
The mass of the sample decreases.
Which of the following occurs when a container of gas is cooled?
The particles slow down and collide more frequently.
The particles slow down and collide less frequently.
The particles move faster and collide more frequently.
The particles move faster and collide less frequently.
If volume is constant, the relationship between temperature and pressure is
Direct
Inverse
Unrelated
If the pressure of a gas is increased and its volume remains constant, what will happen to its temperature?
It depends on the type of gas.
It will remain the same.
Increase
Decrease
