Physical Science Midterm Spring23

A mole is an SI base unit that describes the

Digesting food is an example of

The periodic law states that elements that have similar properties appear

Force divided by the area over which the pressure is exerted is the calculation for

What is the molar mass of an element with an average atomic mass of 9.012 u?

What happens to the particles of a substance when it condenses?

Knowing the chemical properties of a substance will tell you how the substance

Ionization refers to the process of

When a fixed sample of gas increases in volume, it must also

Aluminium is used in kitchen foil because it is

The order of elements in the modern periodic table is based on an element's

Which statement about the alkali metals is correct?

A solid becomes a gas through a process called

Temperature is a measure of the average ____ energy of the particles in the object

Most elements on the left side of the periodic table are

Which of the following is not an example of a physical property

If the average atomic mass of carbon is 12.01u, 1 mole of pure carbon will have a mass of

The smallest unit of a substance that behaves like the substance is a(n)

Helium is used in balloons because it is

Mendeleev left gaps in his periodic table because

The average atomic mass of potassium is approximately 39 u. what is the mass of 2.0 mol of potassium?

As the volume of a fixed amount of gas at constant temperature decreases, its pressure

Which of the following is an element?

The science of what matter is made of and how it changes is called

Compared to less missive particles at the same temperature, more massive particles

Upward force exerted on an object immersed or floating in a liquid is called

What is the amount of nickel, which has an average atomic mass of 58.7 u, present in 525 g nickel?

Unlike a mixture, a pure substance has

The measure of the average kinetic energy of the particles is called

Thompson is responsible for discovering that an atom contains

As the pressure of a moving liquid increases, it's speed

A measure of the average kinetic energy of the particles in an object is called

When ice melts to form liqiud, energy is

A chemical property of copper is its

The number of energy levels filled in an atom is determined by

The process of a solid changing directly into a gas is called

Elements in an element family have similar

Chemical changes can affect physical and chemical properties whereas physical changes can affect

The process of a liquid becoming a gas is called

Dalton's atomic theory was accepted because

How was Mendeleev's periodic table arranged?

The mass of a 20L sample of gas with a density of 0.04mg/L is

What method for determining buoyant force states that the buoyant force on an object in a fluid is an upward force equal

Atoms that gain or lose electrons are called

Matter is defined as anything that

Elements that belong to the same group have the same number of

A substance that can not be broken down into simpler substances is a(n)

Which statement about the modern model of the atom is not true

Which of the following is a physical change?

Stainless steel has chemical properties such as

Carbon and other nonmetals are found in which area of the periodic table?

As the temperature of a fixed amount of gas at constant volume decreases it pressure

Which of the following is an element?

Which tool is best for separating a mixture of sand and water?

Which statement about an element's average atomic mass is correct?

Diamond is known for its

According to the new model of the atom, electrons behave like

As one moves from left to right on the modern periodic table, elements become

What law is illustrated by the equation p1 v1=P2 V2

The process of a liquid becoming a solid is called

Ice floats on water because it is

The ability of an object to float on a fluid is influenced by the

Avogadro's number is defined as the number of particles in

Which of the following is not a type of orbital?

Which of the following is not true of noble gases

In Mendeleev's periodic table, elements in each column had similar

Elements in a family often have a similar

According to the law of conservation of energy

Evaporation refers to the change of state from a

Group 17 elements form

Steel has a density of 7.8g/cm³. What is the mass of a block of steel with a volume of 600.0cm³

Which of the following results in a mixture?

Each element in an element family shares the same

A substance changes from a liquid to a gas during evaporation because

Pressure is calculated by dividing force by the _____ over which the force is exerted.

An atom's mass number equals the number of

The reistance of a fliud to flow is referred to as

The gas law relating the temperature and pressure of a gas is

What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

Pascal's principle states that a contained fluid exerts pressure

Atoms have no electric because they

Dalton's atomic theory states that every element was made of atoms that could not be subdivided, atoms of the same eleme

You have 6.5 mol of chromium, which has a molar mass of approximately 52g/mol what is the mass in grams of this amount o

As the pressure of a gas at constant temperature decreases, its volume

A material than can be represented by a chemical formula is

An electron jumps to a new energy level when

What is the mass of 2.5 mol of Ca , which has a molar mass of 40g/mol

A physical property of gold is its

If the atomic mass of carbon is 12 u, 1 mole of pure carbon will have a mass of

Which of the following is an example of a chemical property

A lithium-ion is much less reactive than a lithium atom because it

How does the density of an object floating on a fluid compared to the density of the fluid?

Atoms of elements that are in the same group have the number of

An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does the iron atom have

According to modern atomic theory, it is nearly impossible to determine an electron's exact

A molecule of water (H20) is made from _____ Combining two hydrogen atoms and one oxygen atom.

The smallest unit of an element that maintains the properties of that element is a(n)

Because they differ in the number of protons in their nuclei and in the number of electrons in their filled inner energy

The charge of an atom is?

The force keeping an object floating on a liquid is called